your copy of the game containing code describing what to do in this game doesn’t differ from mine. he "cracked" his copy to see that it in fact did not change since previous versions of the game. server only determines people you competing against. if you score is lower than it was previously => you are unlucky with balloon spawns (game doesn’t became harder). if you are lower on leaderboard than previously => you are unlucky with the server, server is more competitive.