Marathon

Alien forces have boarded the colony ship UESC Marathon in the Tau Ceti system, in orbit around humanity’s first interstellar colony. The situation is dire, and as a security officer assigned to the Marathon, your duty is to defend the ship and its crew from the alien threat.

Résumé

You are far in the future on a colony ship deep in outer space. A security officer on the mission, you are the last hope for defending the ship as hostile and intelligent aliens prepare to destroy every living thing…