1)   Escape 5.3.11
Escape is a tile-based puzzle game in the style of "Adventures of Lolo" or "Chip's Challenge." Unlike either of those games, Escape doesn't rely at all on reflexes--it's all about your brain.
escape, puzzle game, lolo, chip's challenge, windows, macintosh, mac, win, linux, games,

 2)   Gravit 0.4.2
Gravit is a gravity simulator which runs under Linux, Windows and Mac OS X. It uses Newtonian physics. Although the main goal of Gravit is to be as accurate as possible, it also creates beautiful looking gravity patterns.
Gravit, Graviton, gravity, nbody, N-body, N body, simulate, simulation, simulator, octree,

 3)   Invasion 3D 1.0.3-Win32
Invasion 3D is a free 3D arcade game available for Windows and Linux. This fun and addictive game features realistic physics simulation, challenging gameplay, stunning visual effects,multiple weapons, hidden bonuses, and more.
Space, Invaders, OpenGL, SDL, 3D, free, laser, game, fun, cool,