SHODAN Don't Surf

What Might have Been on the Irrational Website outlines some discarded concepts from early in the development of System Shock 2, including a story concept Ken Levine says "had the player going to a spaceship to assassinate a character similar to Colonel Walter Kurtz from Apocalypse Now." Another idea for the action/RPG sequel involved zero gravity, and he also discusses the way the game was developed in a single 900 square-foot room, and how they embraced the idea of "F'ing with the player."