GameDB: Various fixes

Fixes for missing recommended blending on MGS 2 Sub and post processing positioning on Project Snowblind.

bin/resources/GameIndex.yaml

@@ -18283,7 +18283,9 @@ SLES-52859:
   name: "Project - Snowblind"
   region: "PAL-E"
   gsHWFixes:
-    mipmap: 1
+    autoFlush: 1 # Fixes the post processing positioning.
+    mipmap: 2 
+    trilinearFiltering: 1
     textureInsideRT: 1 # Fixes post processing.
 SLES-52861:
   name: "King Arthur"
@@ -19057,8 +19059,9 @@ SLES-53124:
   name: "Project Snowblind"
   region: "PAL-M4"
   gsHWFixes:
-    mipmap: 1
-    estimateTextureRegion: 1 # Improves performance.
+    autoFlush: 1 # Fixes the post processing positioning.
+    mipmap: 2 
+    trilinearFiltering: 1
     textureInsideRT: 1 # Fixes post processing.
 SLES-53125:
   name: "Enthusia - Professional Racing"
@@ -25784,6 +25787,7 @@ SLES-82009:
   gsHWFixes:
     roundSprite: 2 # Fixes font artifacts.
     partialTargetInvalidation: 1 # Fixes cutscene blur effects.
+    recommendedBlendingLevel: 3 # Fixes broken skin colour on Vlad and others.
 SLES-82010:
   name: "Metal Gear Solid 2, Document of"
   region: "PAL-E"
@@ -27921,6 +27925,7 @@ SLKA-35001:
   gsHWFixes:
     roundSprite: 2 # Fixes font artifacts.
     partialTargetInvalidation: 1 # Fixes cutscene blur effects.
+    recommendedBlendingLevel: 3 # Fixes broken skin colour on Vlad and others.
 SLKA-35003:
   name: "Sakura Taisen - Atsuki Chishioni"
   region: "NTSC-K"
@@ -40028,6 +40033,7 @@ SLPM-67002:
   gsHWFixes:
     roundSprite: 2 # Fixes font artifacts.
     partialTargetInvalidation: 1 # Fixes cutscene blur effects.
+    recommendedBlendingLevel: 3 # Fixes broken skin colour on Vlad and others.
 SLPM-67003:
   name: "Sakura Taisen - Atsuki Chishioni"
   region: "NTSC-J"
@@ -40053,9 +40059,12 @@ SLPM-67007:
 SLPM-67008:
   name: "Metal Gear Solid 2 - Substance [Konami Dendou Collection]"
   region: "NTSC-J"
+  gameFixes:
+    - DMABusyHack # Fixes broken half-bottom artifacts.
   gsHWFixes:
     roundSprite: 2 # Fixes font artifacts.
     partialTargetInvalidation: 1 # Fixes cutscene blur effects.
+    recommendedBlendingLevel: 3 # Fixes broken skin colour on Vlad and others.
 SLPM-67009:
   name: "Sakura Taisen V - Saraba Itoshiki Hito Yo"
   region: "NTSC-J"
@@ -40889,6 +40898,12 @@ SLPM-74421:
 SLPM-74901:
   name: "Metal Gear Solid 2 - Substance"
   region: "NTSC-J"
+  gameFixes:
+    - DMABusyHack # Fixes broken half-bottom artifacts.
+  gsHWFixes:
+    roundSprite: 2 # Fixes font artifacts.
+    partialTargetInvalidation: 1 # Fixes cutscene blur effects.
+    recommendedBlendingLevel: 3 # Fixes broken skin colour on Vlad and others.
 SLPM-84075:
   name: "Anubis Zone of Enders Special Edition [Konami Dendou Selection]"
   region: "NTSC-J"
@@ -49449,6 +49464,7 @@ SLUS-20554:
   gsHWFixes:
     roundSprite: 2 # Fixes font artifacts.
     partialTargetInvalidation: 1 # Fixes cutscene blur effects.
+    recommendedBlendingLevel: 3 # Fixes broken skin colour on Vlad and others.
 SLUS-20555:
   name: "Reel Fishing 3"
   region: "NTSC-U"
@@ -52037,7 +52053,9 @@ SLUS-21037:
   region: "NTSC-U"
   compat: 5
   gsHWFixes:
-    mipmap: 1
+    autoFlush: 1 # Fixes the post processing positioning.
+    mipmap: 2 
+    trilinearFiltering: 1
     textureInsideRT: 1 # Fixes post processing.
 SLUS-21038:
   name: "Pinball Hall of Fame - The Gottlieb Collection"
@@ -57382,8 +57400,9 @@ SLUS-29131:
   name: "Project Snowblind [Public Beta Vol.1.0]"
   region: "NTSC-U"
   gsHWFixes:
-    mipmap: 1
-    estimateTextureRegion: 1 # Improves performance.
+    autoFlush: 1 # Fixes the post processing positioning.
+    mipmap: 2 
+    trilinearFiltering: 1
     textureInsideRT: 1 # Fixes post processing.
 SLUS-29132:
   name: "S.L.A.I. - Steel Lancer Arena International - Phantom Crash [Public Beta Vol.1.0]"