3D CurveBall Description:

A set of modernized 3D pong-style games combining the best features of squash and tennis. The game space is a cubic room. You defend your side of the cube and the computer defends the opposite side. The racket lets you skew and curve your shots. There are three variants of the game: Arcade, Match and Discovery. Each variant has its own options and scoring rules. You may change the cube design, the ball size and your opponent's skill level.