Cube 2: Sauerbraten

Cube 2: Sauerbraten is a classic old-school first-person shooter with both single-player and multiplayer gameplay. This new and improved version includes better graphics rendering, bug fixes, over 200 new multiplayer maps and 2 single player maps. It allows you to change the environment on the fly, making playing with friends all the more fun because the situation is never the same. And who will win? The one who survives!