diff --git a/po/POTFILES.in b/po/POTFILES.in
index e723152..e4c3589 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1 +1,2 @@
 src/main.c
+src/sudoku.c
diff --git a/po/de.po b/po/de.po
index 3173ca9..c05f7e4 100644
--- a/po/de.po
+++ b/po/de.po
@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: nudoku\n"
-"Report-Msgid-Bugs-To: ramshellcinox@gmail.com\n"
-"POT-Creation-Date: 2018-04-19 19:02-0300\n"
+"Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
 "PO-Revision-Date: 2018-05-03 10:12-0300\n"
 "Last-Translator: Emanuel Dubor <emanueldubor@gmail.com>\n"
 "Language-Team: German\n"
@@ -17,39 +17,117 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: main.c:282
-msgid " H - Give a hint\n"
-msgstr " H - Gib einen Hinweis\n"
+#: src/main.c:107
+#, c-format
+msgid ""
+"nudoku [option]\n"
+"\n"
+msgstr ""
 
-#: main.c:287
-msgid " N - New puzzle\n"
-msgstr " N - Neues Puzzle\n"
+#: src/main.c:108
+#, c-format
+msgid "Options:\n"
+msgstr ""
 
-#: main.c:288
-msgid " Q - Quit\n"
-msgstr " Q - Verlassen\n"
+#: src/main.c:109
+#, c-format
+msgid "-h help:\t\tPrint this help\n"
+msgstr ""
 
-#: main.c:290
-msgid " S - Solve puzzle\n"
-msgstr " S - Puzzle lösen\n"
+#: src/main.c:110
+#, c-format
+msgid "-v version:\t\tPrint version\n"
+msgstr ""
 
-#: main.c:281
-msgid " c - Check solution\n"
-msgstr " c - Überprüfen Sie die Lösung\n"
+#: src/main.c:111
+#, c-format
+msgid "-c nocolor:\t\tDo not use colors\n"
+msgstr ""
+
+#: src/main.c:112
+#, c-format
+msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
+msgstr ""
+
+#: src/main.c:113
+#, c-format
+msgid "-s stream:\t\tUser provided sudoku stream\n"
+msgstr ""
+
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr ""
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr ""
+
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr ""
 
-#: main.c:276
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr ""
+
+#: src/main.c:131
+#, c-format
+msgid "Character %c at position %d is not allowed.\n"
+msgstr "Zeichen %c an Position %d ist nicht erlaubt.\n"
+
+#: src/main.c:139
+#, c-format
+msgid "Stream has to be %d characters long.\n"
+msgstr "Der Stream muss %d Zeichen lang sein.\n"
+
+#: src/main.c:145
+#, c-format
+msgid "Stream does not represent a valid sudoku puzzle.\n"
+msgstr "Stream stellt kein gültiges Sudoku-Puzzle dar.\n"
+
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
+
+#: src/main.c:375
+msgid ""
+"Your terminal doesn't support colors.\n"
+"Try the nocolor (-c) option.\n"
+msgstr ""
+"Ihr Terminal unterstützt keine Farben.\n"
+"Probieren Sie die Option nocolor (-c) aus.\n"
+
+#: src/main.c:466
+#, c-format
+msgid ""
+"level: %s\n"
+"\n"
+msgstr ""
+"Niveau: %s\n"
+"\n"
+
+#: src/main.c:475
+msgid "Movement\n"
+msgstr "Bewegung\n"
+
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - Nach links bewegen\n"
 
-#: main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - Nach unten gehen\n"
 
-#: main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - Nach oben gehen\n"
 
-#: main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
@@ -57,100 +135,109 @@ msgstr ""
 " l - Nach rechts bewegen\n"
 "\n"
 
-#: main.c:285
+#: src/main.c:480
+msgid "Commands\n"
+msgstr "Befehle\n"
+
+#: src/main.c:481
+msgid " c - Check solution\n"
+msgstr " c - Überprüfen Sie die Lösung\n"
+
+#: src/main.c:482
+msgid " H - Give a hint\n"
+msgstr " H - Gib einen Hinweis\n"
+
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - Umschaltmarken\n"
 
-#: main.c:289
+#: src/main.c:487
+msgid " N - New puzzle\n"
+msgstr " N - Neues Puzzle\n"
+
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
+msgid " Q - Quit\n"
+msgstr " Q - Verlassen\n"
+
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr " r - Neu zeichnen\n"
 
-#: main.c:550
-#, c-format
-msgid " with the help of %d hints"
-msgstr " mit Hilfe von %d Tipps"
+#: src/main.c:491
+msgid " S - Solve puzzle\n"
+msgstr " S - Puzzle lösen\n"
 
-#: main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - Nummer löschen\n"
 
-#: main.c:104
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
 #, c-format
-msgid "Character %c at position %d is not allowed.\n"
-msgstr "Zeichen %c an Position %d ist nicht erlaubt.\n"
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
 
-#: main.c:280
-msgid "Commands\n"
-msgstr "Befehle\n"
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
 
-#: main.c:558
-msgid "Correct so far"
-msgstr "Soweit richtig"
+#: src/main.c:760
+msgid "Solving puzzle..."
+msgstr "Puzzle lösen..."
 
-#: main.c:513
+#: src/main.c:766 src/main.c:808
+msgid "Solved"
+msgstr "Gelöst"
+
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "Generiere Sudoku..."
 
-#: main.c:275
-msgid "Movement\n"
-msgstr "Bewegung\n"
-
-#: main.c:539
+#: src/main.c:802
 msgid "Not correct"
 msgstr "Nicht richtig"
 
-#: main.c:586
-msgid "Provided hint"
-msgstr "Tipp gegeben"
-
-#: main.c:504 main.c:545
-msgid "Solved"
-msgstr "Gelöst"
-
-#: main.c:498
-msgid "Solving puzzle..."
-msgstr "Puzzle lösen..."
-
-#: main.c:118
+#: src/main.c:813
 #, c-format
-msgid "Stream does not represent a valid sudoku puzzle.\n"
-msgstr "Stream stellt kein gültiges Sudoku-Puzzle dar.\n"
+msgid " with the help of %d hints"
+msgstr " mit Hilfe von %d Tipps"
 
-#: main.c:112
-#, c-format
-msgid "Stream has to be %d characters long.\n"
-msgstr "Der Stream muss %d Zeichen lang sein.\n"
+#: src/main.c:821
+msgid "Correct so far"
+msgstr "Soweit richtig"
 
-#: main.c:195
-msgid ""
-"Your terminal doesn't support colors.\n"
-"Try the nocolor (-c) option.\n"
-msgstr ""
-"Ihr Terminal unterstützt keine Farben.\n"
-"Probieren Sie die Option nocolor (-c) aus.\n"
+#: src/main.c:851
+msgid "Provided hint"
+msgstr "Tipp gegeben"
 
-#: main.c:266
-#, c-format
-msgid ""
-"level: %s\n"
-"\n"
-msgstr "Niveau: %s\n"
-"\n"
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
 
-#: main.c:263
-#, c-format
-msgid "nudoku %s\n"
-msgstr "nudoku %s\n"
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
 
-#: sudoku.c:241
+#: src/sudoku.c:251
 msgid "hard"
 msgstr "schwer"
 
-#: sudoku.c:243
+#: src/sudoku.c:253
 msgid "normal"
 msgstr "normal"
 
-#: sudoku.c:246
+#: src/sudoku.c:256
 msgid "easy"
 msgstr "einfach"
 
+#, c-format
+#~ msgid "nudoku %s\n"
+#~ msgstr "nudoku %s\n"
diff --git a/po/es.po b/po/es.po
index a83df97..a0c5cbc 100644
--- a/po/es.po
+++ b/po/es.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: nudoku 1.0.0\n"
 "Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
-"POT-Creation-Date: 2018-04-27 19:00-0300\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
 "PO-Revision-Date: 2018-04-26 19:03-0300\n"
 "Last-Translator: ramshell <ramshellcinox@gmail.com>\n"
 "Language-Team: Spanish\n"
@@ -16,7 +16,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: src/main.c:84
+#: src/main.c:107
 #, c-format
 msgid ""
 "nudoku [option]\n"
@@ -25,52 +25,77 @@ msgstr ""
 "nudoku [option]\n"
 "\n"
 
-#: src/main.c:85
+#: src/main.c:108
 #, c-format
 msgid "Options:\n"
 msgstr "Opciones:\n"
 
-#: src/main.c:86
+#: src/main.c:109
 #, c-format
 msgid "-h help:\t\tPrint this help\n"
 msgstr "-h help:\t\tImprimir esta ayuda\n"
 
-#: src/main.c:87
+#: src/main.c:110
 #, c-format
 msgid "-v version:\t\tPrint version\n"
 msgstr "-v version:\t\tImprimir version\n"
 
-#: src/main.c:88
+#: src/main.c:111
 #, c-format
 msgid "-c nocolor:\t\tDo not use colors\n"
 msgstr "-c nocolor:\t\tNo use colores\n"
 
-#: src/main.c:89
+#: src/main.c:112
 #, c-format
 msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
 msgstr "-d dificultad:\t\tElige entre: facil, normal, dificil\n"
 
-#: src/main.c:90
+#: src/main.c:113
 #, c-format
 msgid "-s stream:\t\tUser provided sudoku stream\n"
 msgstr "-s datos:\t\tDatos dados por el usuario\n"
 
-#: src/main.c:104
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr ""
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr ""
+
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr ""
+
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr ""
+
+#: src/main.c:131
 #, c-format
 msgid "Character %c at position %d is not allowed.\n"
 msgstr "No se permite el caracter %c en la posicion %d.\n"
 
-#: src/main.c:112
+#: src/main.c:139
 #, c-format
 msgid "Stream has to be %d characters long.\n"
 msgstr "Los datos deben tener como maximo %d characteres.\n"
 
-#: src/main.c:118
+#: src/main.c:145
 #, c-format
 msgid "Stream does not represent a valid sudoku puzzle.\n"
 msgstr "Los datos no representan un sudoku valido.\n"
 
-#: src/main.c:195
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
+
+#: src/main.c:375
 msgid ""
 "Your terminal doesn't support colors.\n"
 "Try the nocolor (-c) option.\n"
@@ -78,7 +103,7 @@ msgstr ""
 "Tu terminal no soporta colores.\n"
 "Prueba la opcion nocolor (-c).\n"
 
-#: src/main.c:266
+#: src/main.c:466
 #, c-format
 msgid ""
 "level: %s\n"
@@ -87,102 +112,127 @@ msgstr ""
 "nivel: %s\n"
 "\n"
 
-#: src/main.c:275
+#: src/main.c:475
 msgid "Movement\n"
 msgstr "Movimiento\n"
 
-#: src/main.c:276
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - Mover a la izq\n"
 
-#: src/main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - Mover a abajo\n"
 
-#: src/main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - Mover a arriba\n"
 
-#: src/main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
 msgstr " l - Mover a la der\n"
 
-#: src/main.c:280
+#: src/main.c:480
 msgid "Commands\n"
 msgstr "Comandos\n"
 
-#: src/main.c:281
+#: src/main.c:481
 msgid " c - Check solution\n"
 msgstr " c - Verificar sol\n"
 
-#: src/main.c:282
+#: src/main.c:482
 msgid " H - Give a hint\n"
 msgstr " H - Dar una pista\n"
 
-#: src/main.c:285
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - Activar marcas\n"
 
-#: src/main.c:287
+#: src/main.c:487
 msgid " N - New puzzle\n"
 msgstr " N - Nuevo sudoku\n"
 
-#: src/main.c:288
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
 msgid " Q - Quit\n"
 msgstr " Q - Salir\n"
 
-#: src/main.c:289
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr " r - Redibujar\n"
 
-#: src/main.c:290
+#: src/main.c:491
 msgid " S - Solve puzzle\n"
 msgstr " S - Resolver sudoku\n"
 
-#: src/main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - Borrar numero\n"
 
-#: src/main.c:500
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
+#, c-format
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
+
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
+
+#: src/main.c:760
 msgid "Solving puzzle..."
 msgstr "Resolviendo sudoku..."
 
-#: src/main.c:506 src/main.c:547
+#: src/main.c:766 src/main.c:808
 msgid "Solved"
 msgstr "Resuelto"
 
-#: src/main.c:515
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "Generando sudoku..."
 
-#: src/main.c:541
+#: src/main.c:802
 msgid "Not correct"
 msgstr "Incorrecto"
 
-#: src/main.c:552
+#: src/main.c:813
 #, c-format
 msgid " with the help of %d hints"
 msgstr " con la ayuda de %d pistas"
 
-#: src/main.c:560
+#: src/main.c:821
 msgid "Correct so far"
 msgstr "Correctas hasta ahora"
 
-#: src/main.c:588
+#: src/main.c:851
 msgid "Provided hint"
 msgstr "Pistas dadas"
 
-#: sudoku.c:241
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
+
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
+
+#: src/sudoku.c:251
 msgid "hard"
 msgstr "dificil"
 
-#: sudoku.c:243
+#: src/sudoku.c:253
 msgid "normal"
 msgstr "normal"
 
-#: sudoku.c:246
+#: src/sudoku.c:256
 msgid "easy"
 msgstr "facil"
-
diff --git a/po/fr.po b/po/fr.po
index 526805f..5420a9d 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: nudoku\n"
-"Report-Msgid-Bugs-To: ramshellcinox@gmail.com\n"
-"POT-Creation-Date: 2019-04-11 14:02+0100\n"
+"Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
 "PO-Revision-Date: 2019-04-11 14:02+0100\n"
 "Last-Translator: Aurelien Aptel <aurelien.aptel@gmail.com>\n"
 "Language-Team: French\n"
@@ -17,39 +17,117 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: main.c:282
-msgid " H - Give a hint\n"
-msgstr " H - Donne un indice\n"
+#: src/main.c:107
+#, c-format
+msgid ""
+"nudoku [option]\n"
+"\n"
+msgstr ""
 
-#: main.c:287
-msgid " N - New puzzle\n"
-msgstr " N - Nouveau Puzzle\n"
+#: src/main.c:108
+#, c-format
+msgid "Options:\n"
+msgstr ""
 
-#: main.c:288
-msgid " Q - Quit\n"
-msgstr " Q - Quitter\n"
+#: src/main.c:109
+#, c-format
+msgid "-h help:\t\tPrint this help\n"
+msgstr ""
 
-#: main.c:290
-msgid " S - Solve puzzle\n"
-msgstr " S - Résout le puzzle\n"
+#: src/main.c:110
+#, c-format
+msgid "-v version:\t\tPrint version\n"
+msgstr ""
 
-#: main.c:281
-msgid " c - Check solution\n"
-msgstr " c - Vérifie la solution\n"
+#: src/main.c:111
+#, c-format
+msgid "-c nocolor:\t\tDo not use colors\n"
+msgstr ""
+
+#: src/main.c:112
+#, c-format
+msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
+msgstr ""
+
+#: src/main.c:113
+#, c-format
+msgid "-s stream:\t\tUser provided sudoku stream\n"
+msgstr ""
+
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr ""
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr ""
+
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr ""
 
-#: main.c:276
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr ""
+
+#: src/main.c:131
+#, c-format
+msgid "Character %c at position %d is not allowed.\n"
+msgstr "Le caractère %c à la position %d n'est pas authorisé.\n"
+
+#: src/main.c:139
+#, c-format
+msgid "Stream has to be %d characters long.\n"
+msgstr "Le stream doit faire %d caractères.\n"
+
+#: src/main.c:145
+#, c-format
+msgid "Stream does not represent a valid sudoku puzzle.\n"
+msgstr "Le stream ne représente pas un sudoku valide.\n"
+
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
+
+#: src/main.c:375
+msgid ""
+"Your terminal doesn't support colors.\n"
+"Try the nocolor (-c) option.\n"
+msgstr ""
+"Votre terminal ne supporte pas les couleurs.\n"
+"Essayez l'option nocolor (-c).\n"
+
+#: src/main.c:466
+#, c-format
+msgid ""
+"level: %s\n"
+"\n"
+msgstr ""
+"Niveau: %s\n"
+"\n"
+
+#: src/main.c:475
+msgid "Movement\n"
+msgstr "Mouvement\n"
+
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - Gauche\n"
 
-#: main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - Bas\n"
 
-#: main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - Haut\n"
 
-#: main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
@@ -57,100 +135,109 @@ msgstr ""
 " l - Droite\n"
 "\n"
 
-#: main.c:285
+#: src/main.c:480
+msgid "Commands\n"
+msgstr "Commandes\n"
+
+#: src/main.c:481
+msgid " c - Check solution\n"
+msgstr " c - Vérifie la solution\n"
+
+#: src/main.c:482
+msgid " H - Give a hint\n"
+msgstr " H - Donne un indice\n"
+
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - Montre les marques\n"
 
-#: main.c:289
+#: src/main.c:487
+msgid " N - New puzzle\n"
+msgstr " N - Nouveau Puzzle\n"
+
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
+msgid " Q - Quit\n"
+msgstr " Q - Quitter\n"
+
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr " r - Rafraichir\n"
 
-#: main.c:550
-#, c-format
-msgid " with the help of %d hints"
-msgstr " avec l'aide de %d astuces"
+#: src/main.c:491
+msgid " S - Solve puzzle\n"
+msgstr " S - Résout le puzzle\n"
 
-#: main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - Supprime un chiffre\n"
 
-#: main.c:104
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
 #, c-format
-msgid "Character %c at position %d is not allowed.\n"
-msgstr "Le caractère %c à la position %d n'est pas authorisé.\n"
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
 
-#: main.c:280
-msgid "Commands\n"
-msgstr "Commandes\n"
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
 
-#: main.c:558
-msgid "Correct so far"
-msgstr "Correct pour l'instant"
+#: src/main.c:760
+msgid "Solving puzzle..."
+msgstr "Résolution du puzzle..."
 
-#: main.c:513
+#: src/main.c:766 src/main.c:808
+msgid "Solved"
+msgstr "Résolu"
+
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "Génération du sudoku..."
 
-#: main.c:275
-msgid "Movement\n"
-msgstr "Mouvement\n"
-
-#: main.c:539
+#: src/main.c:802
 msgid "Not correct"
 msgstr "Invalide"
 
-#: main.c:586
-msgid "Provided hint"
-msgstr "Indice donné"
-
-#: main.c:504 main.c:545
-msgid "Solved"
-msgstr "Résolu"
-
-#: main.c:498
-msgid "Solving puzzle..."
-msgstr "Résolution du puzzle..."
-
-#: main.c:118
+#: src/main.c:813
 #, c-format
-msgid "Stream does not represent a valid sudoku puzzle.\n"
-msgstr "Le stream ne représente pas un sudoku valide.\n"
+msgid " with the help of %d hints"
+msgstr " avec l'aide de %d astuces"
 
-#: main.c:112
-#, c-format
-msgid "Stream has to be %d characters long.\n"
-msgstr "Le stream doit faire %d caractères.\n"
+#: src/main.c:821
+msgid "Correct so far"
+msgstr "Correct pour l'instant"
 
-#: main.c:195
-msgid ""
-"Your terminal doesn't support colors.\n"
-"Try the nocolor (-c) option.\n"
-msgstr ""
-"Votre terminal ne supporte pas les couleurs.\n"
-"Essayez l'option nocolor (-c).\n"
+#: src/main.c:851
+msgid "Provided hint"
+msgstr "Indice donné"
 
-#: main.c:266
-#, c-format
-msgid ""
-"level: %s\n"
-"\n"
-msgstr "Niveau: %s\n"
-"\n"
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
 
-#: main.c:263
-#, c-format
-msgid "nudoku %s\n"
-msgstr "nudoku %s\n"
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
 
-#: sudoku.c:241
+#: src/sudoku.c:251
 msgid "hard"
 msgstr "difficile"
 
-#: sudoku.c:243
+#: src/sudoku.c:253
 msgid "normal"
 msgstr "normal"
 
-#: sudoku.c:246
+#: src/sudoku.c:256
 msgid "easy"
 msgstr "facile"
 
+#, c-format
+#~ msgid "nudoku %s\n"
+#~ msgstr "nudoku %s\n"
diff --git a/po/ja.po b/po/ja.po
index bea576e..b4248df 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: nudoku\n"
 "Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
-"POT-Creation-Date: 2018-04-27 19:00-0300\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
 "PO-Revision-Date: 2020-09-01 21:19+0900\n"
 "Last-Translator: cmplstofB <20594300+cmplstofB@users.noreply.github.com>\n"
 "Language-Team: Japanese\n"
@@ -16,7 +16,7 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
 
-#: src/main.c:84
+#: src/main.c:107
 #, c-format
 msgid ""
 "nudoku [option]\n"
@@ -25,64 +25,77 @@ msgstr ""
 "nudoku [オプション]\n"
 "\n"
 
-#: src/main.c:85
+#: src/main.c:108
 #, c-format
 msgid "Options:\n"
 msgstr "オプション:\n"
 
-#: src/main.c:86
+#: src/main.c:109
 #, c-format
 msgid "-h help:\t\tPrint this help\n"
 msgstr "-h:\t\tこの手引きを表示\n"
 
-#: src/main.c:87
+#: src/main.c:110
 #, c-format
 msgid "-v version:\t\tPrint version\n"
 msgstr "-v:\t\t版を表示\n"
 
-#: src/main.c:88
+#: src/main.c:111
 #, c-format
 msgid "-c nocolor:\t\tDo not use colors\n"
 msgstr "-c:\t\t着色しない\n"
 
-#: src/main.c:89
+#: src/main.c:112
 #, c-format
 msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
 msgstr "-d 難易度:\t\t難易度を選択: easy, normal, hard\n"
 
-#: src/main.c:90
+#: src/main.c:113
 #, c-format
 msgid "-s stream:\t\tUser provided sudoku stream\n"
 msgstr "-s 版面:\t\t数独の盤面を指定する\n"
 
-#: src/main.c:104
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr ""
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr ""
+
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr ""
+
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr ""
+
+#: src/main.c:131
 #, c-format
 msgid "Character %c at position %d is not allowed.\n"
 msgstr "文字%cは位置%dにあってはなりません。\n"
 
-#: src/main.c:112
+#: src/main.c:139
 #, c-format
 msgid "Stream has to be %d characters long.\n"
 msgstr "版面は%d文字以上なくてはなりません。\n"
 
-#: src/main.c:118
+#: src/main.c:145
 #, c-format
 msgid "Stream does not represent a valid sudoku puzzle.\n"
 msgstr "指定された版面は妥当な数独の問題を表わせません。\n"
 
-#: src/main.c:147
-msgid "easy"
-msgstr "易"
-
-#: src/main.c:149
-msgid "normal"
-msgstr "中"
-
-#: src/main.c:151
-msgid "hard"
-msgstr "難"
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
 
-#: src/main.c:195
+#: src/main.c:375
 msgid ""
 "Your terminal doesn't support colors.\n"
 "Try the nocolor (-c) option.\n"
@@ -90,7 +103,7 @@ msgstr ""
 "お使いの端末は着色に対応していません。\n"
 "無着色 (-c) オプションをお試しください。\n"
 
-#: src/main.c:266
+#: src/main.c:466
 #, c-format
 msgid ""
 "level: %s\n"
@@ -99,23 +112,23 @@ msgstr ""
 "難易度: %s\n"
 "\n"
 
-#: src/main.c:275
+#: src/main.c:475
 msgid "Movement\n"
 msgstr "移  動\n"
 
-#: src/main.c:276
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - 左に移動\n"
 
-#: src/main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - 下に移動\n"
 
-#: src/main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - 上に移動\n"
 
-#: src/main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
@@ -123,67 +136,105 @@ msgstr ""
 " l - 右に移動\n"
 "\n"
 
-#: src/main.c:280
+#: src/main.c:480
 msgid "Commands\n"
 msgstr "命  令\n"
 
-#: src/main.c:281
+#: src/main.c:481
 msgid " c - Check solution\n"
 msgstr " c - 解答を確かめる\n"
 
-#: src/main.c:282
+#: src/main.c:482
 msgid " H - Give a hint\n"
 msgstr " H - 手掛かりを見る\n"
 
-#: src/main.c:285
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - 印を付ける/外す\n"
 
-#: src/main.c:287
+#: src/main.c:487
 msgid " N - New puzzle\n"
 msgstr " N - 新しい問題\n"
 
-#: src/main.c:288
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
 msgid " Q - Quit\n"
 msgstr " Q - 終了\n"
 
-#: src/main.c:289
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr " r - 再描画\n"
 
-#: src/main.c:290
+#: src/main.c:491
 msgid " S - Solve puzzle\n"
 msgstr " S - 問題を解く\n"
 
-#: src/main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - 数字を消す\n"
 
-#: src/main.c:500
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
+#, c-format
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
+
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
+
+#: src/main.c:760
 msgid "Solving puzzle..."
 msgstr "問題を解いています..."
 
-#: src/main.c:506 src/main.c:547
+#: src/main.c:766 src/main.c:808
 msgid "Solved"
 msgstr "正解です"
 
-#: src/main.c:515
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "問題を生成しています..."
 
-#: src/main.c:541
+#: src/main.c:802
 msgid "Not correct"
 msgstr "不正解です"
 
-#: src/main.c:552
+#: src/main.c:813
 #, c-format
 msgid " with the help of %d hints"
 msgstr "（手掛かりを%d回見ました）"
 
-#: src/main.c:560
+#: src/main.c:821
 msgid "Correct so far"
 msgstr "現時点では正解です"
 
-#: src/main.c:588
+#: src/main.c:851
 msgid "Provided hint"
 msgstr "手掛りを得ました"
+
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
+
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
+
+#: src/sudoku.c:251
+msgid "hard"
+msgstr "難"
+
+#: src/sudoku.c:253
+msgid "normal"
+msgstr "中"
+
+#: src/sudoku.c:256
+msgid "easy"
+msgstr "易"
diff --git a/po/nudoku.pot b/po/nudoku.pot
index 65c77d4..f11e8b7 100644
--- a/po/nudoku.pot
+++ b/po/nudoku.pot
@@ -5,177 +5,228 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: nudoku 1.0.0\n"
+"Project-Id-Version: nudoku 4.0.1\n"
 "Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
-"POT-Creation-Date: 2018-04-27 19:00-0300\n"
-"PO-Revision-Date: 2018-05-03 10:11-0300\n"
-"Last-Translator: Ramshell Cinox <ramshellcinox@gmail.com>\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: \n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/main.c:84
+#: src/main.c:107
 #, c-format
 msgid ""
 "nudoku [option]\n"
 "\n"
 msgstr ""
 
-#: src/main.c:85
+#: src/main.c:108
 #, c-format
 msgid "Options:\n"
 msgstr ""
 
-#: src/main.c:86
+#: src/main.c:109
 #, c-format
 msgid "-h help:\t\tPrint this help\n"
 msgstr ""
 
-#: src/main.c:87
+#: src/main.c:110
 #, c-format
 msgid "-v version:\t\tPrint version\n"
 msgstr ""
 
-#: src/main.c:88
+#: src/main.c:111
 #, c-format
 msgid "-c nocolor:\t\tDo not use colors\n"
 msgstr ""
 
-#: src/main.c:89
+#: src/main.c:112
 #, c-format
 msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
 msgstr ""
 
-#: src/main.c:90
+#: src/main.c:113
 #, c-format
 msgid "-s stream:\t\tUser provided sudoku stream\n"
 msgstr ""
 
-#: src/main.c:104
+#: src/main.c:114
 #, c-format
-msgid "Character %c at position %d is not allowed.\n"
+msgid "-r resume:\t\tResume the last saved game\n"
 msgstr ""
 
-#: src/main.c:112
+#: src/main.c:115
 #, c-format
-msgid "Stream has to be %d characters long.\n"
+msgid "-p filename:\t\tOutput PDF\n"
 msgstr ""
 
-#: src/main.c:118
+#: src/main.c:116
 #, c-format
-msgid "Stream does not represent a valid sudoku puzzle.\n"
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
 msgstr ""
 
-#: src/main.c:147
-msgid "easy"
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
 msgstr ""
 
-#: src/main.c:149
-msgid "normal"
+#: src/main.c:131
+#, c-format
+msgid "Character %c at position %d is not allowed.\n"
 msgstr ""
 
-#: src/main.c:151
-msgid "hard"
+#: src/main.c:139
+#, c-format
+msgid "Stream has to be %d characters long.\n"
+msgstr ""
+
+#: src/main.c:145
+#, c-format
+msgid "Stream does not represent a valid sudoku puzzle.\n"
 msgstr ""
 
-#: src/main.c:195
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
+
+#: src/main.c:375
 msgid ""
 "Your terminal doesn't support colors.\n"
 "Try the nocolor (-c) option.\n"
 msgstr ""
 
-#: src/main.c:266
+#: src/main.c:466
 #, c-format
 msgid ""
 "level: %s\n"
 "\n"
 msgstr ""
 
-#: src/main.c:275
+#: src/main.c:475
 msgid "Movement\n"
 msgstr ""
 
-#: src/main.c:276
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr ""
 
-#: src/main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr ""
 
-#: src/main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr ""
 
-#: src/main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
 msgstr ""
 
-#: src/main.c:280
+#: src/main.c:480
 msgid "Commands\n"
 msgstr ""
 
-#: src/main.c:281
+#: src/main.c:481
 msgid " c - Check solution\n"
 msgstr ""
 
-#: src/main.c:282
+#: src/main.c:482
 msgid " H - Give a hint\n"
 msgstr ""
 
-#: src/main.c:285
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr ""
 
-#: src/main.c:287
+#: src/main.c:487
 msgid " N - New puzzle\n"
 msgstr ""
 
-#: src/main.c:288
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
 msgid " Q - Quit\n"
 msgstr ""
 
-#: src/main.c:289
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr ""
 
-#: src/main.c:290
+#: src/main.c:491
 msgid " S - Solve puzzle\n"
 msgstr ""
 
-#: src/main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr ""
 
-#: src/main.c:500
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
+#, c-format
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
+
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
+
+#: src/main.c:760
 msgid "Solving puzzle..."
 msgstr ""
 
-#: src/main.c:506 src/main.c:547
+#: src/main.c:766 src/main.c:808
 msgid "Solved"
 msgstr ""
 
-#: src/main.c:515
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr ""
 
-#: src/main.c:541
+#: src/main.c:802
 msgid "Not correct"
 msgstr ""
 
-#: src/main.c:552
+#: src/main.c:813
 #, c-format
 msgid " with the help of %d hints"
 msgstr ""
 
-#: src/main.c:560
+#: src/main.c:821
 msgid "Correct so far"
 msgstr ""
 
-#: src/main.c:588
+#: src/main.c:851
 msgid "Provided hint"
 msgstr ""
+
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
+
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
+
+#: src/sudoku.c:251
+msgid "hard"
+msgstr ""
+
+#: src/sudoku.c:253
+msgid "normal"
+msgstr ""
+
+#: src/sudoku.c:256
+msgid "easy"
+msgstr ""
diff --git a/po/ru.po b/po/ru.po
index f648062..6a9db39 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: nudoku\n"
-"Report-Msgid-Bugs-To: ramshellcinox@gmail.com\n"
-"POT-Creation-Date: 2018-05-29 19:02-0300\n"
+"Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
 "PO-Revision-Date: \n"
 "Last-Translator: Max Vetrov <maxvetrov555@yandex.ru>\n"
 "Language-Team: Russian\n"
@@ -17,39 +17,117 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: main.c:282
-msgid " H - Give a hint\n"
-msgstr " H - Дать подсказку\n"
+#: src/main.c:107
+#, c-format
+msgid ""
+"nudoku [option]\n"
+"\n"
+msgstr ""
 
-#: main.c:287
-msgid " N - New puzzle\n"
-msgstr " N - Новая головоломка\n"
+#: src/main.c:108
+#, c-format
+msgid "Options:\n"
+msgstr ""
 
-#: main.c:288
-msgid " Q - Quit\n"
-msgstr " Q - Выход\n"
+#: src/main.c:109
+#, c-format
+msgid "-h help:\t\tPrint this help\n"
+msgstr ""
 
-#: main.c:290
-msgid " S - Solve puzzle\n"
-msgstr " S - Решить головоломку\n"
+#: src/main.c:110
+#, c-format
+msgid "-v version:\t\tPrint version\n"
+msgstr ""
 
-#: main.c:281
-msgid " c - Check solution\n"
-msgstr " c - Проверить решение\n"
+#: src/main.c:111
+#, c-format
+msgid "-c nocolor:\t\tDo not use colors\n"
+msgstr ""
+
+#: src/main.c:112
+#, c-format
+msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
+msgstr ""
+
+#: src/main.c:113
+#, c-format
+msgid "-s stream:\t\tUser provided sudoku stream\n"
+msgstr ""
+
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr ""
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr ""
+
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr ""
 
-#: main.c:276
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr ""
+
+#: src/main.c:131
+#, c-format
+msgid "Character %c at position %d is not allowed.\n"
+msgstr "Символ %c на позиции %d не поддерживается.\n"
+
+#: src/main.c:139
+#, c-format
+msgid "Stream has to be %d characters long.\n"
+msgstr "Поток должен быть длиною %d символов.\n"
+
+#: src/main.c:145
+#, c-format
+msgid "Stream does not represent a valid sudoku puzzle.\n"
+msgstr "Поток не является судоку-головоломкой.\n"
+
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
+
+#: src/main.c:375
+msgid ""
+"Your terminal doesn't support colors.\n"
+"Try the nocolor (-c) option.\n"
+msgstr ""
+"Ваш терминал не поддерживает цвета.\n"
+"Попробуйте опцию без цвета (-c).\n"
+
+#: src/main.c:466
+#, c-format
+msgid ""
+"level: %s\n"
+"\n"
+msgstr ""
+"Уровень: %s\n"
+"\n"
+
+#: src/main.c:475
+msgid "Movement\n"
+msgstr "Движение\n"
+
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - Влево\n"
 
-#: main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - Вниз\n"
 
-#: main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - Вверх\n"
 
-#: main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
@@ -57,100 +135,112 @@ msgstr ""
 " l - Вправо\n"
 "\n"
 
-#: main.c:285
+#: src/main.c:480
+msgid "Commands\n"
+msgstr "Команды\n"
+
+#: src/main.c:481
+msgid " c - Check solution\n"
+msgstr " c - Проверить решение\n"
+
+#: src/main.c:482
+msgid " H - Give a hint\n"
+msgstr " H - Дать подсказку\n"
+
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - Переключить метки\n"
 
-#: main.c:289
+#: src/main.c:487
+msgid " N - New puzzle\n"
+msgstr " N - Новая головоломка\n"
+
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
+msgid " Q - Quit\n"
+msgstr " Q - Выход\n"
+
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr " r - Перерисовка\n"
 
-#: main.c:550
-#, c-format
-msgid " with the help of %d hints"
-msgstr " с помощью %d подсказок"
+#: src/main.c:491
+msgid " S - Solve puzzle\n"
+msgstr " S - Решить головоломку\n"
 
-#: main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - Удалить число\n"
 
-#: main.c:104
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
 #, c-format
-msgid "Character %c at position %d is not allowed.\n"
-msgstr "Символ %c на позиции %d не поддерживается.\n"
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
 
-#: main.c:280
-msgid "Commands\n"
-msgstr "Команды\n"
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
 
-#: main.c:558
-msgid "Пока верно"
-msgstr "Soweit richtig"
+#: src/main.c:760
+msgid "Solving puzzle..."
+msgstr "Решение головоломки..."
 
-#: main.c:513
+#: src/main.c:766 src/main.c:808
+msgid "Solved"
+msgstr "Решено"
+
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "Генерация головоломки..."
 
-#: main.c:275
-msgid "Movement\n"
-msgstr "Движение\n"
-
-#: main.c:539
+#: src/main.c:802
 msgid "Not correct"
 msgstr "Не правильно"
 
-#: main.c:586
-msgid "Provided hint"
-msgstr "Предоставлена подсказка"
-
-#: main.c:504 main.c:545
-msgid "Solved"
-msgstr "Решено"
-
-#: main.c:498
-msgid "Solving puzzle..."
-msgstr "Решение головоломки..."
-
-#: main.c:118
-#, c-format
-msgid "Stream does not represent a valid sudoku puzzle.\n"
-msgstr "Поток не является судоку-головоломкой.\n"
-
-#: main.c:112
+#: src/main.c:813
 #, c-format
-msgid "Stream has to be %d characters long.\n"
-msgstr "Поток должен быть длиною %d символов.\n"
+msgid " with the help of %d hints"
+msgstr " с помощью %d подсказок"
 
-#: main.c:195
-msgid ""
-"Your terminal doesn't support colors.\n"
-"Try the nocolor (-c) option.\n"
+#: src/main.c:821
+msgid "Correct so far"
 msgstr ""
-"Ваш терминал не поддерживает цвета.\n"
-"Попробуйте опцию без цвета (-c).\n"
 
-#: main.c:266
-#, c-format
-msgid ""
-"level: %s\n"
-"\n"
-msgstr "Уровень: %s\n"
-"\n"
+#: src/main.c:851
+msgid "Provided hint"
+msgstr "Предоставлена подсказка"
 
-#: main.c:263
-#, c-format
-msgid "nudoku %s\n"
-msgstr "nudoku %s\n"
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
 
-#: sudoku.c:241
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
+
+#: src/sudoku.c:251
 msgid "hard"
 msgstr "Сложный"
 
-#: sudoku.c:243
+#: src/sudoku.c:253
 msgid "normal"
 msgstr "Нормальный"
 
-#: sudoku.c:246
+#: src/sudoku.c:256
 msgid "easy"
 msgstr "Легкий"
 
+#~ msgid "Пока верно"
+#~ msgstr "Soweit richtig"
+
+#, c-format
+#~ msgid "nudoku %s\n"
+#~ msgstr "nudoku %s\n"
diff --git a/po/tr.po b/po/tr.po
index 9e9ed38..85705c7 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: nudoku 1.0.0\n"
 "Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
-"POT-Creation-Date: 2018-04-27 19:00-0300\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
 "PO-Revision-Date: 2024-03-29 19:50+0300\n"
 "Last-Translator: Oğuz Ersen <oguz@ersen.moe>\n"
 "Language-Team: Turkish <tr>\n"
@@ -17,7 +17,7 @@ msgstr ""
 "Plural-Forms: nplurals=1; plural=0;\n"
 "X-Generator: Gtranslator 45.3\n"
 
-#: src/main.c:84
+#: src/main.c:107
 #, c-format
 msgid ""
 "nudoku [option]\n"
@@ -26,64 +26,77 @@ msgstr ""
 "nudoku [seçenek]\n"
 "\n"
 
-#: src/main.c:85
+#: src/main.c:108
 #, c-format
 msgid "Options:\n"
 msgstr "Seçenekler:\n"
 
-#: src/main.c:86
+#: src/main.c:109
 #, c-format
 msgid "-h help:\t\tPrint this help\n"
 msgstr "-h:\t\tYardım metnini yazdır\n"
 
-#: src/main.c:87
+#: src/main.c:110
 #, c-format
 msgid "-v version:\t\tPrint version\n"
 msgstr "-v:\t\tSürüm numarasını yazdır\n"
 
-#: src/main.c:88
+#: src/main.c:111
 #, c-format
 msgid "-c nocolor:\t\tDo not use colors\n"
 msgstr "-c:\t\tRenkler kullanılmasın\n"
 
-#: src/main.c:89
+#: src/main.c:112
 #, c-format
 msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
 msgstr "-d zorluk:\t\tZorluk derecesini seç: easy, normal, hard\n"
 
-#: src/main.c:90
+#: src/main.c:113
 #, c-format
 msgid "-s stream:\t\tUser provided sudoku stream\n"
 msgstr "-s tahta:\t\tBelirtilen sudoku tahtasını kullan\n"
 
-#: src/main.c:104
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr ""
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr ""
+
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr ""
+
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr ""
+
+#: src/main.c:131
 #, c-format
 msgid "Character %c at position %d is not allowed.\n"
 msgstr "%c karakterine %d konumunda izin verilmiyor.\n"
 
-#: src/main.c:112
+#: src/main.c:139
 #, c-format
 msgid "Stream has to be %d characters long.\n"
 msgstr "Tahta %d karakter uzunluğunda olmalıdır.\n"
 
-#: src/main.c:118
+#: src/main.c:145
 #, c-format
 msgid "Stream does not represent a valid sudoku puzzle.\n"
 msgstr "Tahta geçerli bir sudoku bulmacası değil.\n"
 
-#: src/main.c:147
-msgid "easy"
-msgstr "kolay"
-
-#: src/main.c:149
-msgid "normal"
-msgstr "normal"
-
-#: src/main.c:151
-msgid "hard"
-msgstr "zor"
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr ""
 
-#: src/main.c:195
+#: src/main.c:375
 msgid ""
 "Your terminal doesn't support colors.\n"
 "Try the nocolor (-c) option.\n"
@@ -91,7 +104,7 @@ msgstr ""
 "Terminaliniz renkleri desteklemiyor.\n"
 "Renksiz (-c) seçeneğini deneyin.\n"
 
-#: src/main.c:266
+#: src/main.c:466
 #, c-format
 msgid ""
 "level: %s\n"
@@ -100,23 +113,23 @@ msgstr ""
 "seviye: %s\n"
 "\n"
 
-#: src/main.c:275
+#: src/main.c:475
 msgid "Movement\n"
 msgstr "Hareket\n"
 
-#: src/main.c:276
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - Sola git\n"
 
-#: src/main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - Aşağı git\n"
 
-#: src/main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - Yukarı git\n"
 
-#: src/main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
@@ -124,67 +137,105 @@ msgstr ""
 " l - Sağa git\n"
 "\n"
 
-#: src/main.c:280
+#: src/main.c:480
 msgid "Commands\n"
 msgstr "Komutlar\n"
 
-#: src/main.c:281
+#: src/main.c:481
 msgid " c - Check solution\n"
 msgstr " c - Çözümü denetle\n"
 
-#: src/main.c:282
+#: src/main.c:482
 msgid " H - Give a hint\n"
 msgstr " H - İpucu ver\n"
 
-#: src/main.c:285
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - İşaretleri aç/kapat\n"
 
-#: src/main.c:287
+#: src/main.c:487
 msgid " N - New puzzle\n"
 msgstr " N - Yeni bulmaca\n"
 
-#: src/main.c:288
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr ""
+
+#: src/main.c:489
 msgid " Q - Quit\n"
 msgstr " Q - Çıkış\n"
 
-#: src/main.c:289
+#: src/main.c:490
 msgid " r - Redraw\n"
 msgstr " r - Yeniden çiz\n"
 
-#: src/main.c:290
+#: src/main.c:491
 msgid " S - Solve puzzle\n"
 msgstr " S - Bulmacayı çöz\n"
 
-#: src/main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - Sayıyı sil\n"
 
-#: src/main.c:500
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr ""
+
+#: src/main.c:652
+#, c-format
+msgid "nudoku is compiled without cairo support.\n"
+msgstr ""
+
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
+
+#: src/main.c:760
 msgid "Solving puzzle..."
 msgstr "Bulmaca çözülüyor..."
 
-#: src/main.c:506 src/main.c:547
+#: src/main.c:766 src/main.c:808
 msgid "Solved"
 msgstr "Çözüldü"
 
-#: src/main.c:515
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "Bulmaca oluşturuluyor..."
 
-#: src/main.c:541
+#: src/main.c:802
 msgid "Not correct"
 msgstr "Doğru değil"
 
-#: src/main.c:552
+#: src/main.c:813
 #, c-format
 msgid " with the help of %d hints"
 msgstr "%d ipucu yardımıyla"
 
-#: src/main.c:560
+#: src/main.c:821
 msgid "Correct so far"
 msgstr "Şimdiye kadar doğru"
 
-#: src/main.c:588
+#: src/main.c:851
 msgid "Provided hint"
 msgstr "İpucu verildi"
+
+#: src/main.c:864
+msgid "Saved!"
+msgstr ""
+
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr ""
+
+#: src/sudoku.c:251
+msgid "hard"
+msgstr "zor"
+
+#: src/sudoku.c:253
+msgid "normal"
+msgstr "normal"
+
+#: src/sudoku.c:256
+msgid "easy"
+msgstr "kolay"
diff --git a/po/uk.po b/po/uk.po
index 2a23736..d5aac3b 100644
--- a/po/uk.po
+++ b/po/uk.po
@@ -4,20 +4,22 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: nudoku 1.0.0\n"
+"Project-Id-Version: nudoku 4.0.1\n"
 "Report-Msgid-Bugs-To: jubalh@iodoru.org\n"
-"POT-Creation-Date: 2018-04-27 19:00-0300\n"
-"PO-Revision-Date: 2024-07-29 00:00+0300\n"
+"POT-Creation-Date: 2024-08-24 09:59+0300\n"
+"PO-Revision-Date: 2024-08-24 10:05+0200\n"
 "Last-Translator: Oleksii Stroganov <merv1n@proton.me>\n"
 "Language-Team: Ukrainian <uk>\n"
 "Language: uk\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n%100>=11 && n%100<=14)? 2 : 3);\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && "
+"n%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || "
+"(n%100>=11 && n%100<=14)? 2 : 3);\n"
 "X-Generator: Gtranslator 45.3\n"
 
-#: src/main.c:84
+#: src/main.c:107
 #, c-format
 msgid ""
 "nudoku [option]\n"
@@ -26,64 +28,77 @@ msgstr ""
 "nudoku [опції]\n"
 "\n"
 
-#: src/main.c:85
+#: src/main.c:108
 #, c-format
 msgid "Options:\n"
 msgstr "Опції:\n"
 
-#: src/main.c:86
+#: src/main.c:109
 #, c-format
 msgid "-h help:\t\tPrint this help\n"
-msgstr "-h:\t\tНадрукувати цю довідку\n"
+msgstr "-h довідка:\t\tНадрукувати цю довідку\n"
 
-#: src/main.c:87
+#: src/main.c:110
 #, c-format
 msgid "-v version:\t\tPrint version\n"
-msgstr "-v:\t\tНадрукувати версію\n"
+msgstr "-v версія:\t\tНадрукувати версію\n"
 
-#: src/main.c:88
+#: src/main.c:111
 #, c-format
 msgid "-c nocolor:\t\tDo not use colors\n"
-msgstr "-c:\t\tНе використовувати кольори\n"
+msgstr "-c без кольорів:\t\tНе використовувати кольори\n"
 
-#: src/main.c:89
+#: src/main.c:112
 #, c-format
 msgid "-d difficulty:\t\tChoose between: easy, normal, hard\n"
 msgstr "-d складність:\t\tОбрати рівень: easy, normal, hard\n"
 
-#: src/main.c:90
+#: src/main.c:113
 #, c-format
 msgid "-s stream:\t\tUser provided sudoku stream\n"
-msgstr "-s поток:\t\tНаданий користувачем поток судоку\n"
+msgstr "-s потік:\t\tНаданий користувачем поток судоку\n"
+
+#: src/main.c:114
+#, c-format
+msgid "-r resume:\t\tResume the last saved game\n"
+msgstr "-r продовжити:\t\tПродовжити останню збережену гру\n"
+
+#: src/main.c:115
+#, c-format
+msgid "-p filename:\t\tOutput PDF\n"
+msgstr "-p файл:\t\tСтворити PDF документ\n"
 
-#: src/main.c:104
+#: src/main.c:116
+#, c-format
+msgid "-n filename:\t\tNumber of sudokus to put in PDF\n"
+msgstr "-n файл:\t\tКількість судоку у PDF\n"
+
+#: src/main.c:117
+#, c-format
+msgid "-i filename:\t\tOutput PNG image\n"
+msgstr "-i файл:\t\tСтворити PNG світлину\n"
+
+#: src/main.c:131
 #, c-format
 msgid "Character %c at position %d is not allowed.\n"
 msgstr "Символ %c в позиції %d не допускається.\n"
 
-#: src/main.c:112
+#: src/main.c:139
 #, c-format
 msgid "Stream has to be %d characters long.\n"
 msgstr "Поток має бути %d символів у довжину.\n"
 
-#: src/main.c:118
+#: src/main.c:145
 #, c-format
 msgid "Stream does not represent a valid sudoku puzzle.\n"
 msgstr "Поток не є правильним судоку.\n"
 
-#: src/main.c:147
-msgid "easy"
-msgstr "легкий"
-
-#: src/main.c:149
-msgid "normal"
-msgstr "нормальний"
-
-#: src/main.c:151
-msgid "hard"
-msgstr "складний"
+#: src/main.c:305
+#, c-format
+msgid "Game save is missing or corrupted, try starting new game.\n"
+msgstr "Гра не була збережена або пошкоджена, спробуйте нову гру.\n"
 
-#: src/main.c:195
+#: src/main.c:375
 msgid ""
 "Your terminal doesn't support colors.\n"
 "Try the nocolor (-c) option.\n"
@@ -91,7 +106,7 @@ msgstr ""
 "Цей термінал не підтримує кольори\n"
 "Спробуйте опцію без кольору (-c).\n"
 
-#: src/main.c:266
+#: src/main.c:466
 #, c-format
 msgid ""
 "level: %s\n"
@@ -100,23 +115,23 @@ msgstr ""
 "Рівень: %s\n"
 "\n"
 
-#: src/main.c:275
+#: src/main.c:475
 msgid "Movement\n"
 msgstr "Переміщення\n"
 
-#: src/main.c:276
+#: src/main.c:476
 msgid " h - Move left\n"
 msgstr " h - Ліворуч\n"
 
-#: src/main.c:277
+#: src/main.c:477
 msgid " j - Move down\n"
 msgstr " j - Вниз\n"
 
-#: src/main.c:278
+#: src/main.c:478
 msgid " k - Move up\n"
 msgstr " k - Вверх\n"
 
-#: src/main.c:279
+#: src/main.c:479
 msgid ""
 " l - Move right\n"
 "\n"
@@ -124,72 +139,109 @@ msgstr ""
 " l - Праворуч\n"
 "\n"
 
-#: src/main.c:280
+#: src/main.c:480
 msgid "Commands\n"
 msgstr "Команди\n"
 
-#: src/main.c:281
+#: src/main.c:481
 msgid " c - Check solution\n"
-msgstr " c - Перевірити розв'язок\n"
+msgstr " c - Перевірити судоку\n"
 
-#: src/main.c:282
+#: src/main.c:482
 msgid " H - Give a hint\n"
 msgstr " H - Дати підсказку\n"
 
-#: src/main.c:285
+#: src/main.c:485
 msgid " m - Toggle marks\n"
 msgstr " m - Переключити позначки\n"
 
-#: src/main.c:287
+#: src/main.c:487
 msgid " N - New puzzle\n"
 msgstr " N - Нова головоломка\n"
 
-#: src/main.c:288
+#: src/main.c:488
+msgid " G - Save\n"
+msgstr " G - Зберегти\n"
+
+#: src/main.c:489
 msgid " Q - Quit\n"
 msgstr " Q - Вийти\n"
 
-#: src/main.c:289
+#: src/main.c:490
 msgid " r - Redraw\n"
-msgstr " r - Перемалювати\n"
+msgstr " r - Оновити екран\n"
 
-#: src/main.c:290
+#: src/main.c:491
 msgid " S - Solve puzzle\n"
 msgstr " S - Розв'язати головоломку\n"
 
-#: src/main.c:291
+#: src/main.c:492
 msgid " x - Delete number\n"
 msgstr " x - Видалити число\n"
 
-#: src/main.c:500
+#: src/main.c:493
+msgid " u - Undo previous action\n"
+msgstr " u - Скасувати останню дію\n"
+
+#: src/main.c:652
+#, c-format
+msgid "nudoku is compiled without cairo support.\n"
+msgstr "nudoku cкомпільований без підтримки cairo.\n"
+
+#: src/main.c:653
+#, c-format
+msgid "To use the output feature, please compile with --enable-cairo.\n"
+msgstr ""
+"Для функціонування друку судоку використовуйте --enable-cairo при "
+"компіляції.\n"
+
+#: src/main.c:760
 msgid "Solving puzzle..."
 msgstr "Розв'язую головоломку..."
 
-#: src/main.c:506 src/main.c:547
+#: src/main.c:766 src/main.c:808
 msgid "Solved"
 msgstr "Розв'язано"
 
-#: src/main.c:515
+#: src/main.c:776
 msgid "Generating puzzle..."
 msgstr "Створюю головоломку..."
 
-#: src/main.c:541
+#: src/main.c:802
 msgid "Not correct"
 msgstr "У вас помилка"
 
-#: src/main.c:552
-#, c-format
+#: src/main.c:813
+#, fuzzy, c-format
+#| msgid " with the help of %d hints"
+#| msgid_plural " with the help of %d hints"
 msgid " with the help of %d hints"
-msgid_plural " with the help of %d hints"
-msgstr[0] " зa допомогою %d підсказки"
-msgstr[1] " зa допомогою %d підсказки"
-msgstr[2] " зa допомогою %d підсказок"
-msgstr[3] " зa допомогою %d підсказок"
+msgstr " зa допомогою %d підсказки"
 
-#: src/main.c:560
+#: src/main.c:821
 msgid "Correct so far"
-msgstr "Поки що правильно"
+msgstr "Зараз правильно"
 
-#: src/main.c:588
+#: src/main.c:851
 msgid "Provided hint"
 msgstr "Ви використали підсказку"
 
+#: src/main.c:864
+msgid "Saved!"
+msgstr "Судоку збережено!"
+
+#: src/main.c:867
+msgid "Can't save the game!"
+msgstr "Не можу зберегти гру!"
+
+#: src/sudoku.c:251
+msgid "hard"
+msgstr "складний"
+
+#: src/sudoku.c:253
+msgid "normal"
+msgstr "нормальний"
+
+#: src/sudoku.c:256
+msgid "easy"
+msgstr "легкий"
diff --git a/src/main.c b/src/main.c
index c540238..b8391fe 100644
--- a/src/main.c
+++ b/src/main.c
@@ -302,7 +302,7 @@ static void parse_arguments(int argc, char *argv[])
 				}
 				else
 				{
-					printf(_("Game save is missing or corrupted, try starting new game\n"));
+					printf(_("Game save is missing or corrupted, try starting new game.\n"));
 					exit(EXIT_FAILURE);
 				}
 				break;
@@ -497,7 +497,7 @@ static void init_windows(void)
 	}
 }
 
-static int undo_stack_push(move_t move) 
+static int undo_stack_push(move_t move)
 {
 	if (g_undo_stack_index >= UNDO_STACK_SIZE)
 	{
@@ -508,7 +508,7 @@ static int undo_stack_push(move_t move)
 	return 0;
 }
 
-static int undo_stack_pop(move_t *move) 
+static int undo_stack_pop(move_t *move)
 {
 	if (g_undo_stack_index <= 0)
 		return -1;
@@ -649,8 +649,8 @@ int main(int argc, char *argv[])
 		generate_output(g_level, g_outputFilename, g_sudokuCount, g_outIsPDF);
 		return 0;
 #else
-		printf("nudoku is compiled without cairo support.\n");
-		printf("To use the output feature, please compile with --enable-cairo.\n");
+		printf(_("nudoku is compiled without cairo support.\n"));
+		printf(_("To use the output feature, please compile with --enable-cairo.\n"));
 		return 1;
 #endif
 	}