N.O.V.A. – Near Orbit Vanguard Alliance

This is a first-person shooter in which players assume the role of a space marine who faces alien threats inside an overrun military shuttle. Players explore a variety of fictional environments and use shotguns, sniper rifles, rocket launchers, and plasma guns to kill alien creatures. Battles include realistic gunfire sounds, explosions, and screams of pain. Red puffs of blood are emitted from injured aliens and humans; blood sometimes appears on the ground.