Find a friend for some true local co-op couch fun or match up online.
Includes two copies of ibb & obb - Send the extra copy to a friend. Fall up and jump down through 15 levels filled with double gravity puzzles and discover 8 hidden worlds that will test your new non-Newtonian sk.You can only succeed by working closely together. ibb & obb is a two player cooperative game set in a puzzle filled world where gravity goes both up and down.