Tyrian is an arcade-style vertical scrolling shooter. The story is set in 20,031 where you play as Trent Hawkins, a skilled fighter-pilot employed to fight Microsol and save the galaxy.

OpenTyrian is a rewrite of Tyrian's Pascal (and x86 assembly) source code in C, replacing the arcane DOS code with SDL.

Minimum system requirements: 

Tyrian 2.1 game data(released as freeware in August 2004)