Console Monster writes: "We have just added the Achievements for Batman: Arkham Asylum on the Xbox 360. The achievements confirm a lot of the game's in-game features such as gliding and use of the batarang. The game will also include combat, predator and Riddler challenges.
The game's maximum reward is of 75 GamerScore for 100% completion.
The list contains 47 achievements worth 1000 GamerScore; 15 of which are secret achievements..."