Not sure if this is by design or is a bug, but when you have submitted a score for a normal game it sends you back to the arcade where you see your score in the game.
Playing MochiMedia games, you get the MochiMedia leaderboard come up on the game, but you get no confirm your arcade score as...
I'm sure i'm likely missing something but when i try to install a game tar file from ipb arcade i get the following.
Server Error
include_once(Archive/Tar.php): failed to open stream: No such file or directory
XenForo_Application::handlePhpError() in Zend/Loader.php at line 146...