diff --git a/src/main/events/catalogue/get-game-assets.ts b/src/main/events/catalogue/get-game-assets.ts
index de1d2b1f..0e45f886 100644
--- a/src/main/events/catalogue/get-game-assets.ts
+++ b/src/main/events/catalogue/get-game-assets.ts
@@ -6,6 +6,10 @@ import { gamesShopAssetsSublevel, levelKeys } from "@main/level";
 const LOCAL_CACHE_EXPIRATION = 1000 * 60 * 60 * 8; // 8 hours
 
 export const getGameAssets = async (objectId: string, shop: GameShop) => {
+  if (shop === "custom") {
+    return null;
+  }
+
   const cachedAssets = await gamesShopAssetsSublevel.get(
     levelKeys.game(shop, objectId)
   );
diff --git a/src/main/events/catalogue/get-game-stats.ts b/src/main/events/catalogue/get-game-stats.ts
index b836531d..b7b7125c 100644
--- a/src/main/events/catalogue/get-game-stats.ts
+++ b/src/main/events/catalogue/get-game-stats.ts
@@ -10,6 +10,10 @@ const getGameStats = async (
   objectId: string,
   shop: GameShop
 ) => {
+  if (shop === "custom") {
+    return null;
+  }
+
   const cachedStats = await gamesStatsCacheSublevel.get(
     levelKeys.game(shop, objectId)
   );
diff --git a/src/main/events/library/add-game-to-favorites.ts b/src/main/events/library/add-game-to-favorites.ts
index 68c81abb..53985a09 100644
--- a/src/main/events/library/add-game-to-favorites.ts
+++ b/src/main/events/library/add-game-to-favorites.ts
@@ -13,7 +13,9 @@ const addGameToFavorites = async (
   const game = await gamesSublevel.get(gameKey);
   if (!game) return;
 
-  HydraApi.put(`/profile/games/${shop}/${objectId}/favorite`).catch(() => {});
+  if (shop !== "custom") {
+    HydraApi.put(`/profile/games/${shop}/${objectId}/favorite`).catch(() => {});
+  }
 
   try {
     await gamesSublevel.put(gameKey, {
diff --git a/src/main/events/library/remove-game-from-favorites.ts b/src/main/events/library/remove-game-from-favorites.ts
index f06f55ce..7c79cbf4 100644
--- a/src/main/events/library/remove-game-from-favorites.ts
+++ b/src/main/events/library/remove-game-from-favorites.ts
@@ -13,7 +13,11 @@ const removeGameFromFavorites = async (
   const game = await gamesSublevel.get(gameKey);
   if (!game) return;
 
-  HydraApi.put(`/profile/games/${shop}/${objectId}/unfavorite`).catch(() => {});
+  if (shop !== "custom") {
+    HydraApi.put(`/profile/games/${shop}/${objectId}/unfavorite`).catch(
+      () => {}
+    );
+  }
 
   try {
     await gamesSublevel.put(gameKey, {
diff --git a/src/main/services/achievements/get-game-achievement-data.ts b/src/main/services/achievements/get-game-achievement-data.ts
index ffbfac1a..69437801 100644
--- a/src/main/services/achievements/get-game-achievement-data.ts
+++ b/src/main/services/achievements/get-game-achievement-data.ts
@@ -27,6 +27,10 @@ export const getGameAchievementData = async (
   shop: GameShop,
   useCachedData: boolean
 ) => {
+  if (shop === "custom") {
+    return [];
+  }
+
   const gameKey = levelKeys.game(shop, objectId);
 
   const cachedAchievements = await gameAchievementsSublevel.get(gameKey);
diff --git a/src/renderer/src/context/cloud-sync/cloud-sync.context.tsx b/src/renderer/src/context/cloud-sync/cloud-sync.context.tsx
index b94c94d7..abc359e9 100644
--- a/src/renderer/src/context/cloud-sync/cloud-sync.context.tsx
+++ b/src/renderer/src/context/cloud-sync/cloud-sync.context.tsx
@@ -98,6 +98,11 @@ export function CloudSyncContextProvider({
   );
 
   const getGameArtifacts = useCallback(async () => {
+    if (shop === "custom") {
+      setArtifacts([]);
+      return;
+    }
+
     const params = new URLSearchParams({
       objectId,
       shop,
diff --git a/src/renderer/src/context/game-details/game-details.context.tsx b/src/renderer/src/context/game-details/game-details.context.tsx
index 14e5d587..3706b02e 100644
--- a/src/renderer/src/context/game-details/game-details.context.tsx
+++ b/src/renderer/src/context/game-details/game-details.context.tsx
@@ -142,10 +142,12 @@ export function GameDetailsContextProvider({
         }
       });
 
-    window.electron.getGameStats(objectId, shop).then((result) => {
-      if (abortController.signal.aborted) return;
-      setStats(result);
-    });
+    if (shop !== "custom") {
+      window.electron.getGameStats(objectId, shop).then((result) => {
+        if (abortController.signal.aborted) return;
+        setStats(result);
+      });
+    }
 
     const assetsPromise = window.electron.getGameAssets(objectId, shop);
 
@@ -167,7 +169,7 @@ export function GameDetailsContextProvider({
         setIsLoading(false);
       });
 
-    if (userDetails) {
+    if (userDetails && shop !== "custom") {
       window.electron
         .getUnlockedAchievements(objectId, shop)
         .then((achievements) => {
diff --git a/src/renderer/src/pages/game-details/game-reviews.tsx b/src/renderer/src/pages/game-details/game-reviews.tsx
index f70c84b2..1a6fc675 100644
--- a/src/renderer/src/pages/game-details/game-reviews.tsx
+++ b/src/renderer/src/pages/game-details/game-reviews.tsx
@@ -117,7 +117,7 @@ export function GameReviews({
   });
 
   const checkUserReview = useCallback(async () => {
-    if (!objectId || !userDetailsId) return;
+    if (!objectId || !userDetailsId || shop === "custom") return;
 
     try {
       const response = await window.electron.hydraApi.get<{
@@ -147,7 +147,7 @@ export function GameReviews({
 
   const loadReviews = useCallback(
     async (reset = false) => {
-      if (!objectId) return;
+      if (!objectId || shop === "custom") return;
 
       if (abortControllerRef.current) {
         abortControllerRef.current.abort();