Alien Arena is a multiplayer online deathmatch game that features incredibly smooth and fast game play with features such as ragdoll physics, real-time per-pixel and per-vertex lighting and shadows, skeletal models, lens flares, light bloom, weather, and GLSL shader effects on all surfaces.
The game includes over 60 levels, ten weapons (with alt-fire modes), eight player characters, an in-game server browser and IRC client.
