Space Hack - PC Games

Space Hack takes you into a deadly future, filled with unknown threats. You're the Space Hack: A Space Marine famous for conquering a Martian pirate ship with nothing but a machete and giant sideburns. You're strong and you're proud -- but you upset the wrong people and you've been honorably discharged from service. To find new adventures, you join with the colonists on a new planet, Maximus XV - where an alien invasion has started.