Aleph One is a game engine currently in development by the Open Source community. It is based on the source code of Marathon 2: Durandal, a game created by Bungie Software in 1995. Since Bungie released the source code, Aleph One has matured to include a variety of new features and improvements. Read more about Aleph One v0.7 (Dingoo Linux misc)
TetriCycle is Tetris projected onto a cylindrical surface. Rotate the cylinder left/right such that the descending piece falls into place. Read more about TetriCycle v1.1 (Wii Game)