SlackBuildsOrg/games/astromenace

AstroMenace is a brilliant 3d scroll-shooter allowing you to feel
the adrenalin rush of a fierce space battle against relentless
swarms of alien invaders. Immerse into a decisive battle against
tons of cunning foes, face the terrifying bosses and protect
your homeland throughout 15 diverse levels of the game.
The hardcore gameplay of AstroMenace, packed with pure non-stop
action, will become a full scale test for your basic instinct of
survival.