diff --git a/data/manifest.yaml b/data/manifest.yaml
index 91a44d75..fee12cdb 100644
--- a/data/manifest.yaml
+++ b/data/manifest.yaml
@@ -104038,6 +104038,9 @@ Command & Conquer:
         - config
       when:
         - os: windows
+  id:
+    steamExtra:
+      - 24810
   installDir:
     Command and Conquer 3 Tiberium Wars: {}
   launch:
diff --git a/data/schema.strict.yaml b/data/schema.strict.yaml
index 976c2122..dbafab46 100644
--- a/data/schema.strict.yaml
+++ b/data/schema.strict.yaml
@@ -110,3 +110,11 @@ additionalProperties:
       properties:
         flatpak:
           type: string
+        gogExtra:
+          type: array
+          items:
+            type: integer
+        steamExtra:
+          type: array
+          items:
+            type: integer
diff --git a/data/schema.yaml b/data/schema.yaml
index 71678fd9..06f50605 100644
--- a/data/schema.yaml
+++ b/data/schema.yaml
@@ -91,3 +91,11 @@ additionalProperties:
       properties:
         flatpak:
           type: string
+        gogExtra:
+          type: array
+          items:
+            type: integer
+        steamExtra:
+          type: array
+          items:
+            type: integer
diff --git a/src/manifest.ts b/src/manifest.ts
index cbcbfeba..59d63cf3 100644
--- a/src/manifest.ts
+++ b/src/manifest.ts
@@ -45,6 +45,8 @@ export interface Game {
     };
     id?: {
         flatpak?: string,
+        gogExtra?: Array<number>,
+        steamExtra?: Array<number>,
     };
 }
 
@@ -82,15 +84,26 @@ function doLaunchPathsMatch(fromSteam: string | undefined, fromManifest: string
 }
 
 function integrateWikiData(game: Game, cache: WikiGameCache[""]): void {
+    game.id = {};
     if (cache.steam !== undefined) {
         game.steam = { id: cache.steam };
     }
+    if (cache.steamSide !== undefined) {
+        game.id.steamExtra = cache.steamSide;
+    }
     if (cache.gog !== undefined) {
         game.gog = { id: cache.gog };
     }
+    if (cache.gogSide !== undefined) {
+        game.id.gogExtra = cache.gogSide;
+    }
     const info = parseTemplates(cache.templates ?? []);
     game.files = info.files;
     game.registry = info.registry;
+
+    if (game.id.flatpak === undefined && game.id.gogExtra === undefined && game.id.steamExtra === undefined) {
+        delete game.id;
+    }
 }
 
 function integrateSteamData(game: Game, appInfo: SteamGameCache[""] | undefined): void {