GCSupportsGameMode A Boolean value indicating whether the app supports game mode. See AlsoGamesAVGameBypassSystemSpatialAudioGKGameCenterBadgingDisabledGCDisableInferringGameMetadataGCSupportedGameControllersGCSupportsControllerUserInteractionGCRequiresControllerUserInteractionGCSupportsMultipleMicroGamepadsLSSupportsGameModeGKShowChallengeBanners