Me and My Shadow is a puzzle/platform game in which you try to reach the exit by solving puzzles. Spikes, moving blocks, fragile blocks, and much more stand between you and the exit. Record your moves and let your shadow mimic them to reach blocks you couldn't reach alone. Play through over 40 levels and use the built-in level editor to make your own.
Zaz is an arcade action puzzle game where the objective is to get rid of all incoming balls by rearranging their order. Currently it includes 20 different levels and two modes of gameplay. The engine allows for easy custom level creation with unlimited number of paths, different speeds, ball-sizes, and rules. A 3D accelerator is needed for decent gameplay.
CoolDown is a puzzle game inspired by the old game PipeMania, although it changed a lot during development. Your task is to cool down the ball coming from the start field. It has 100 levels, increasing difficulty, pipes in 4 colors, special tiles, and multiple balls. It is available for Caanoo and WIZ, and can be compiled for Linux, Mac OS X, and Windows.