Assassin’s Creed 3 Achievements for Xbox 360 have been posted online over on Xbox360Achievements. Players will be able to earn 50 Achievements with a total of 1000 points. The entire list is through the link. We’ll let you click through instead of posting the lot, because it may spoil things a bit for you. Assassin’s Creed 3 arrives on PS3 and Xbox 360 in late October, with a PC release slated for November.