2072; orbiting Saturn aboard TriOptimum Corporation's Citadel space station: You awaken from a six-month healing coma with a broken memory and a newly-installed cybernetic interface to discover that most of the other occupants of the station are dead...or worse. The station's self-sufficient AI, SHODAN (Sentient Hyper-Optimized Data Access Network) has assumed total control and seems hell-bent on destroying all human life. TriOptimum believes you are Citadel's last hope. Can you save yourself and smash SHODAN's evil plans?