diff --git a/data/manifest.yaml b/data/manifest.yaml
index f6e30f4c..3f8b0709 100644
--- a/data/manifest.yaml
+++ b/data/manifest.yaml
@@ -333793,6 +333793,12 @@ Metal Gear Solid - Master Collection Version:
       when:
         - os: windows
           store: steam
+  installDir:
+    MGS1: {}
+  launch:
+    <base>/METAL GEAR SOLID.exe:
+      - when:
+          - store: steam
   steam:
     id: 2131630
 'Metal Gear Solid 2: Sons of Liberty - Master Collection Version':
@@ -333807,6 +333813,13 @@ Metal Gear Solid - Master Collection Version:
         - config
       when:
         - os: windows
+  installDir:
+    MGS2: {}
+  launch:
+    <base>/launcher.exe:
+      - when:
+          - os: windows
+            store: steam
   steam:
     id: 2131640
 'Metal Gear Solid 2: Substance':
@@ -333835,6 +333848,13 @@ Metal Gear Solid - Master Collection Version:
         - config
       when:
         - os: windows
+  installDir:
+    MGS3: {}
+  launch:
+    <base>/launcher.exe:
+      - when:
+          - os: windows
+            store: steam
   steam:
     id: 2131650
 'Metal Gear Solid V: Ground Zeroes':
diff --git a/data/steam-game-cache.yaml b/data/steam-game-cache.yaml
index 3c1b9093..bbbdb5c5 100644
--- a/data/steam-game-cache.yaml
+++ b/data/steam-game-cache.yaml
@@ -111560,14 +111560,29 @@
   launch:
     - executable: binaries\\TFOC.exe
 '2131630':
+  installDir: MGS1
+  launch:
+    - executable: METAL GEAR SOLID.exe
   nameLocalized:
-    japanese: 'METAL GEAR SOLID: MASTER COLLECTION Vol.1 METAL GEAR SOLID'
+    japanese: METAL GEAR SOLID (MASTER COLLECTION版)
 '2131640':
+  installDir: MGS2
+  launch:
+    - config:
+        oslist: windows
+      executable: launcher.exe
+      type: default
   nameLocalized:
-    japanese: 'METAL GEAR SOLID: MASTER COLLECTION Vol.1 METAL GEAR SOLID 2 SONS OF LIBERTY'
+    japanese: METAL GEAR SOLID 2 SONS OF LIBERTY (MASTER COLLECTION版)
 '2131650':
+  installDir: MGS3
+  launch:
+    - config:
+        oslist: windows
+      executable: launcher.exe
+      type: default
   nameLocalized:
-    japanese: 'METAL GEAR SOLID: MASTER COLLECTION Vol.1 METAL GEAR SOLID 3 SNAKE EATER'
+    japanese: METAL GEAR SOLID 3 SNAKE EATER (MASTER COLLECTION版)
 '2131680':
   nameLocalized:
     japanese: 'METAL GEAR SOLID: MASTER COLLECTION Vol.1 METAL GEAR & METAL GEAR 2 SOLID SNAKE'