played the game for about an hour and a half unlocked about 120 gamerpoints during that period of time, then i finished the contract that unlocks the heli pilot, got the achievement for that, then on the next screen the achievement icon popped up again this time sayin i unlocked 30ish achievements for 725 gamerpoints, i got the online achievements with out ever goin online with the game, and got the achievement for beatin the game when i was only at like 10%