Cube

Home: http://cubeengine.com/cube.php, https://sourceforge.net/projects/cube/
Media: https://en.wikipedia.org/wiki/Cube_(video_game)
State: mature, inactive since 2005
Download: https://sourceforge.net/projects/cube/files/cube/
Platform: Windows, Linux, macOS
Keyword: action, first-person, shooter
Code repository: https://sourceforge.net/projects/cube/files/cube/2005_08_29/cube_2005_08_29_src_zlib.zip/download
Code language: C, C++
Code license: Custom (zlib like)
Code dependency: SDL
Developer: Wouter van Oortmerssen

Building