Ragdoll tech? Curvature-in-graphics? High-tech installation with drone bots, reactors, and bio scanners?
SCREW 'EM
Let's go back to the old open-air bases on a moon, back to "downtown" consisted of teleportation portals and crushing hemispherical structures; back to a time when scientific installations were loaded with ammo in the computer banks, and when "iddqd" gave your character a funny case of the golden-eyes.
Oh, and when John Carmack's severed head was the final boss instead of some computer-generated horde of monstrosities that look like villain applicants from Resident Evil.
Doom
Doom II: Hell on Earth.
Discuss.