Finish System Shock 2

A hacker wakes on Citadel Station with SHODAN in the walls; the immersive sim starts here.

Talos I, mimics that look like coffee cups and the GLOO gun; Arkane's System Shock.

JC Denton, nano-augmentations and every conspiracy at once; the game that let you play it your way.

Garrett takes a third job, and walks into the Shalebridge Cradle, the most frightening level ever built.

Caleb, a pitchfork and a can of aerosol; the meanest of the Build-engine shooters.

Master Chief on the ring world, the warthog and the Flood; the Xbox is launched.

Shelley's gothic birth of science fiction (1818).

The 2003 sequel: universal ammunition, smaller levels and an ending that lets you pick which conspiracy wins.