// Before: if (IsBlacklisted(appID)) return false; // After: // if (IsBlacklisted(appID)) return false; Some modified GreenLuma builds introduce a whitelist mode :
GreenLuma (often GreenLuma 2020 / 2024 / Reborn) is a Steam client patcher/DLL injector. Its primary function is to bypass Steam’s app ownership checks — allowing you to launch games/apps you don’t technically own, usually via sharing manifests, depots, and app IDs from another account or cracked content. greenluma blacklist
Example from GreenLumaSettings_2024.ini : // Before: if (IsBlacklisted(appID)) return false; // After:
BlacklistedApps=730,570,440,10 (730 = CS2, 570 = Dota 2, 440 = Team Fortress 2, 10 = Counter-Strike 1.6) When GreenLuma intercepts ISteamApps::BIsSubscribedApp or ISteamUser::GetUserOwnedApps : // Before: if (IsBlacklisted(appID)) return false