A LEGO version of Batman Arkham Asylum.
The game is divided into 5 episodes. There are different things you can unlock with 3 different acheivements. By completing all 3 acheivements in a level you get a golden brick. Golden bricks can unlock secrets. There is one gold brick per level and 2 in a boss fight.
Ep. 1: Revenge of Zsasz
1. Detention Block 1
2. Storage Warehouse
4. Detention Block 2