IMaze

iMaze is a multiplayer first-person shooter first released on May 27, 1994 as a clone of the proprietary game MIDI Maze for the Atari ST. Built directly atop X11, it was last originally updated in 2001 and is under the original four-clause BSD license. It also has optional bots called Ninjas. In April 2022 it was uploaded onto GitHub with corrections for compilation.