Ibb and Obb

Ibb and Obb is a game played on Matt & Sarah Are Best Frenemies!.

Game Information
The green creature, ibb, and the pink creature, obb, travel through a world divided by a thin horizon line; on either side of the barrier, everything is inverted and gravity works in opposite directions. The game is focused on cooperative play and the two characters must work closely together to progress through the game.