
✓ Same family of first-person shooters: shooter, first-person shooting and setting scifi
≠ Where it differs: brings horror tension, dark, oppressive atmosphere and strong narrative focus
id's follow-up to Doom, and the first with true 3D movement — rocket jumps, full vertical aim, and a Lovecraftian gloom scored by Nine Inch Nails. The movement still feels quicker than most modern shooters. Long-time players tend to prefer a source port to the official re-release, which quietly altered difficulty tuning and is treated as a compromised preservation job.
Where it drifts furthest from Shatterline: setting.
It predates Shatterline by 29 years, with what that implies technically.

















































