: You must fight through the Phobos base to find the gate to Deimos.
: Your journey takes you into the heart of Hell to face the Spider Mastermind, the mastermind behind the invasion. Thy Flesh Consumed Ultimate Doom-GOG
This is the story of the legendary marine in , available on GOG.com . The UAC Incident : You must fight through the Phobos base
You are a space marine, the toughest of your kind, sent to the research facilities on Mars’ moons, Phobos and Deimos, as a disciplinary transfer after assaulting a superior officer who ordered you to fire on civilians. The UAC had been experimenting with inter-dimensional travel, but the gateway collapsed, allowing the literal legions of Hell to swarm into our reality. The Survival Mission the toughest of your kind