diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index c09c73a9..09275576 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -29,9 +29,9 @@
   - [Forgive Me Father 2](./game-support/forgive-me-father-2.md)
   - [Fortnite](./game-support/fortnite.md)
   - [Geometry Wars 3: Dimensions Evolved](./game-support/gw3-dimensions-evolved.md)
+  - [Grand Theft Auto V](./game-support/gta-5.md)
   - [Half-Life 1](./game-support/half-life-1.md)
   - [Half-Life 2](./game-support/half-life-2.md)
-  - [Grand Theft Auto V](./game-support/gta-5.md)
   - [Horizon Zero Dawn](./game-support/horizon-zero-dawn.md)
   - [Kenshi](./game-support/kenshi.md)
   - [Lethal Company](./game-support/lethal-company.md)
@@ -49,7 +49,8 @@
   - [Sekiro: Shadows Die Twice](./game-support/sekiro.md)
   - [Skyrim SE](./game-support/skyrim-se.md)
   - [Star Wars Jedi: Fallen Order](./game-support/sw-fallen-order.md)
-  - [Star Wars: Squadron](./game-support/sw-squadrons.md)
+  - [Star Wars: Squadrons](./game-support/sw-squadrons.md)
   - [Turbo Overkill](./game-support/turbo-overkill.md)
   - [Ultrakill](./game-support/ultrakill.md)
+  - [Undertale](./game-support/undertale.md)
   - [Warframe](./game-support/warframe.md)
diff --git a/src/game-support/README.md b/src/game-support/README.md
index 5687b4b1..be502503 100644
--- a/src/game-support/README.md
+++ b/src/game-support/README.md
@@ -55,11 +55,14 @@ title is partially left to the article author, but some general guidelines apply
 - [Palworld](./palworld.md)
 - [Quake 2](./game-support/quake2.md)
 - [r2modman](./r2modman.md)
-- [Risk of Rain 2](./risk-of-rain-2.md)
 - [Rain World](./rain-world.md)
+- [Risk of Rain 2](./risk-of-rain-2.md)
 - [Satisfactory](./satisfactory.md)
 - [Sekiro: Shadows Die Twice](./sekiro.md)
 - [Skyrim SE](./skyrim-se.md)
 - [Star Wars Jedi: Fallen Order](./sw-fallen-order.md)
+- [Star Wars: Squadrons](./sw-squadrons.md)
 - [Turbo Overkill](./turbo-overkill.md)
 - [Ultrakill](./ultrakill.md)
+- [Undertale](./undertale.md)
+- [Warframe](./warframe.md)
diff --git a/src/game-support/undertale.md b/src/game-support/undertale.md
new file mode 100644
index 00000000..b821a04c
--- /dev/null
+++ b/src/game-support/undertale.md
@@ -0,0 +1,10 @@
+# Undertale
+
+{{#template ../templates/rating.md status=Silver date=04/04/23 installs=Yes opens=Yes}}
+
+> [!NOTE]
+> This game has a native Mac port.
+
+Works, but suffers from severe audio stutters.
+
+{{#template ../templates/steam.md id=391540}}
\ No newline at end of file