iOS Game Center GKScore context, how to encode information?...

Does method report(_:withCompletionHandler:) send score even if your internet connection was lost?...

Game Center in iOS: GKScore vs. GKAchievement?...

Unable to see leaderboard tab in game center app...

Leaderboards not showing all updated scores when sending scores via endMatchInTurnWithMatchData:scor...

iOS Game Center submit float instead of int64_t...