Yes! iSokoban2 is available now!
iSokoban2 is more difficult with Bomb mode and Ninja mode(how to open Ninja mode? OH,its a secret!),total 320 levels.
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sokoban is a transport puzzle in which the player pushes boxes around a maze, viewed from above, and tries to put them in designated locations. Only one box may be pushed at a time, and boxes cannot be pulled.