diff --git a/src/main/java/core_service/modules/library/service/LibrarySyncWorker.java b/src/main/java/core_service/modules/library/service/LibrarySyncWorker.java
index 47d86f1..b0a1d02 100644
--- a/src/main/java/core_service/modules/library/service/LibrarySyncWorker.java
+++ b/src/main/java/core_service/modules/library/service/LibrarySyncWorker.java
@@ -170,10 +170,12 @@ public class LibrarySyncWorker {
     private void upsertGame(SteamOwnedGamesResponse.Game g, Instant now) {
         Long appid = g.appid().longValue();
         SteamGame existing = steamGameRepository.findById(appid).orElse(null);
+        // An unvetted app can come without a name, and the name column is NOT NULL.
+        boolean hasName = g.name() != null && !g.name().isBlank();
         if (existing == null) {
-            steamGameRepository.save(new SteamGame(appid, g.name(), g.imgIconUrl(), now));
+            steamGameRepository.save(new SteamGame(appid, hasName ? g.name() : "App " + appid, g.imgIconUrl(), now));
         } else {
-            existing.setName(g.name());
+            if (hasName) existing.setName(g.name());
             existing.setImgIconUrl(g.imgIconUrl());
             existing.setLastSeenAt(now);
         }
diff --git a/src/main/java/core_service/modules/steam_adapter/service/SteamApiService.java b/src/main/java/core_service/modules/steam_adapter/service/SteamApiService.java
index 9eaf921..2a74d54 100644
--- a/src/main/java/core_service/modules/steam_adapter/service/SteamApiService.java
+++ b/src/main/java/core_service/modules/steam_adapter/service/SteamApiService.java
@@ -65,6 +65,7 @@ public class SteamApiService {
                             .queryParam("steamid", steamId)
                             .queryParam("include_appinfo", "true")
                             .queryParam("include_played_free_games", "true")
+                            .queryParam("skip_unvetted_apps", 0)
                             .queryParam("format", "json")
                             .build())
                     .retrieve()
@@ -145,6 +146,8 @@ public class SteamApiService {
                             .queryParam("steamid", steamId)
                             .queryParam("include_appinfo", 1)
                             .queryParam("include_played_free_games", 1)
+                            // Else Steam hides some owned apps, e.g. a game from a developer license.
+                            .queryParam("skip_unvetted_apps", 0)
                             .build())
                     .retrieve()
                     .body(SteamOwnedGamesResponse.class);
diff --git a/src/test/java/core_service/modules/library/service/LibrarySyncWorkerTest.java b/src/test/java/core_service/modules/library/service/LibrarySyncWorkerTest.java
index 8af01c3..4c65876 100644
--- a/src/test/java/core_service/modules/library/service/LibrarySyncWorkerTest.java
+++ b/src/test/java/core_service/modules/library/service/LibrarySyncWorkerTest.java
@@ -2,6 +2,7 @@ package core_service.modules.library.service;
 
 import core_service.modules.library.domain.GameSource;
 import core_service.modules.library.domain.GameStatus;
+import core_service.modules.library.domain.SteamGame;
 import core_service.modules.library.domain.UserGame;
 import core_service.modules.library.domain.UserGameId;
 import core_service.modules.library.domain.UserSteamSync;
@@ -34,10 +35,12 @@ import java.util.Optional;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyList;
 import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.inOrder;
 import static org.mockito.Mockito.never;
@@ -415,4 +418,30 @@ class LibrarySyncWorkerTest extends AbstractUnitTest {
         verify(timeToBeatService).refresh(List.of(220L, -1025L));
         verify(moodService).refresh(List.of(220L, -1025L));
     }
+
+    @Test
+    void runSync_GameWithoutName_GetsTheAppidAsName() {
+        when(userSteamSyncRepository.tryClaimRun(eq(USER_ID), eq(STEAM_ID), any())).thenReturn(1);
+        when(steamApiService.getOwnedGames(STEAM_ID)).thenReturn(List.of(
+                new SteamOwnedGamesResponse.Game(2000001, null, 12, null, null, null),
+                game(90, 0)));
+
+        worker.runSync(USER_ID, STEAM_ID);
+
+        verify(steamGameRepository).save(argThat((SteamGame g) -> g.getAppid() == 2000001L && "App 2000001".equals(g.getName())));
+        verify(steamGameRepository).save(argThat((SteamGame g) -> g.getAppid() == 220L));
+    }
+
+    @Test
+    void runSync_GameWithoutName_KeepsTheStoredName() {
+        SteamGame stored = new SteamGame(2000001L, "El Mucho", null, Instant.EPOCH);
+        when(userSteamSyncRepository.tryClaimRun(eq(USER_ID), eq(STEAM_ID), any())).thenReturn(1);
+        when(steamGameRepository.findById(2000001L)).thenReturn(Optional.of(stored));
+        when(steamApiService.getOwnedGames(STEAM_ID)).thenReturn(List.of(
+                new SteamOwnedGamesResponse.Game(2000001, " ", 12, null, null, null)));
+
+        worker.runSync(USER_ID, STEAM_ID);
+
+        assertThat(stored.getName()).isEqualTo("El Mucho");
+    }
 }
diff --git a/src/test/java/core_service/modules/steam_adapter/service/SteamApiServiceTest.java b/src/test/java/core_service/modules/steam_adapter/service/SteamApiServiceTest.java
index 495f19e..f13e7dd 100644
--- a/src/test/java/core_service/modules/steam_adapter/service/SteamApiServiceTest.java
+++ b/src/test/java/core_service/modules/steam_adapter/service/SteamApiServiceTest.java
@@ -124,6 +124,24 @@ class SteamApiServiceTest {
         assertThat(result.getFirst().name()).isEqualTo("Counter-Strike");
     }
 
+    @Test
+    void getOwnedGames_shouldIncludeUnvettedApps() {
+        server.expect(requestTo(containsString("/IPlayerService/GetOwnedGames/v1/")))
+                .andExpect(queryParam("skip_unvetted_apps", "0"))
+                .andRespond(withSuccess("{\"response\":{\"games\":[{\"appid\":10,\"name\":\"El Mucho\"}]}}", MediaType.APPLICATION_JSON));
+
+        assertThat(steamApiService.getOwnedGames("76561197960435530")).hasSize(1);
+    }
+
+    @Test
+    void getOwnedGamesCount_shouldCountUnvettedApps() {
+        server.expect(requestTo(containsString("/IPlayerService/GetOwnedGames/v1/")))
+                .andExpect(queryParam("skip_unvetted_apps", "0"))
+                .andRespond(withSuccess("{\"response\":{\"game_count\":1}}", MediaType.APPLICATION_JSON));
+
+        assertThat(steamApiService.getOwnedGamesCount("76561197960435530")).isEqualTo(1);
+    }
+
     @Test
     void getOwnedGames_shouldReturnGamesEvenWithNullValues() {
         String steamId = "76561197960435530";