Not so much the themes but the game interface. SS1's interface predates a lot of modern FPS idioms, so it feels very clunky and difficult to use compared to mor

Not so much the themes but the game interface. SS1's interface predates a lot of modern FPS idioms, so it feels very clunky and difficult to use compared to more modern games. Thematically, it fights right in with the Bioshock/Prey/Thief/Deus Ex lineage - all of them exploring the theme of megalomania in one way or another.