diff --git a/data/resources/gamedb.yaml b/data/resources/gamedb.yaml
index 0b063771e..cd013b0c4 100644
--- a/data/resources/gamedb.yaml
+++ b/data/resources/gamedb.yaml
@@ -30517,8 +30517,9 @@ SCUS-94244:
     - AnalogController
     - DigitalController
   traits:
-    - ForceRoundTextureCoordinates
-    - DisablePGXPColorCorrection
+    - ForceRoundTextureCoordinates # Fixes alignment of flipped textures when upscaling.
+    - DisablePGXPColorCorrection # Shadows break with perspective correct colour.
+    - ForceRecompilerICache # Sound effects during intro are lost if the CPU is too fast.
   metadata:
     publisher: "Sony"
     developer: "Naughty Dog, Inc"
@@ -30626,8 +30627,9 @@ SCPS-10073:
     - AnalogController
     - DigitalController
   traits:
-    - ForceRoundTextureCoordinates
-    - DisablePGXPColorCorrection
+    - ForceRoundTextureCoordinates # Fixes alignment of flipped textures when upscaling.
+    - DisablePGXPColorCorrection # Shadows break with perspective correct colour.
+    - ForceRecompilerICache # Sound effects during intro are lost if the CPU is too fast.
   codes:
     - SCPS-10073
     - SCPS-91164
@@ -30654,7 +30656,9 @@ SCPS-45350:
     - AnalogController
     - DigitalController
   traits:
-    - ForceRoundTextureCoordinates
+    - ForceRoundTextureCoordinates # Fixes alignment of flipped textures when upscaling.
+    - DisablePGXPColorCorrection # Shadows break with perspective correct colour.
+    - ForceRecompilerICache # Sound effects during intro are lost if the CPU is too fast.
   metadata:
     publisher: "Sony"
     developer: "Naughty Dog, Inc"
@@ -30677,8 +30681,9 @@ SCES-01420:
     - AnalogController
     - DigitalController
   traits:
-    - ForceRoundTextureCoordinates
-    - DisablePGXPColorCorrection
+    - ForceRoundTextureCoordinates # Fixes alignment of flipped textures when upscaling.
+    - DisablePGXPColorCorrection # Shadows break with perspective correct colour.
+    - ForceRecompilerICache # Sound effects during intro are lost if the CPU is too fast.
   metadata:
     publisher: "Sony"
     developer: "Naughty Dog, Inc"