POOM!

POOM! is a game where you bounce a ball off a changing grid of squares. The only way to tell where the ball is going to land is to see where the shadow is on the squares. This leads to a horrible period of learning where you get used to looking where the shadow is, but you quickly gets used to it. There are different types of squares that do different things, some make the ball bouce higher, make the ball bounce lower, or are worth points etc. There are a wide variety of different squares and the fun of the game is finding out what they do.

This game can be extremely frustrating, but very entertaining once you brave the steep learning curve.