Cube 2: Sauerbraten ("sour roast", or Sauer) is a cross-platform, Quake-like first-person shooter that runs on Microsoft Windows, Linux, FreeBSD and Mac OS X using OpenGL and SDL.
License: Open Source
Unreal Tournament offers a polished, high-octane experience with a variety of game modes and extensive graphical fidelity, making it ideal for competitive play. In contrast, Cube 2: Sauerbraten focuses on accessibility, community-driven content, and rapid map creation, catering more to casual gamers and modders.