open-source port of the DOS shoot-em-up Tyrian

 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.
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 This package needs game data from the original Tyrian game, which is available
 as a freeware. It can be installed using game-data-packager.