Overview

A fan expansion of the DOOM setting — planets, locations, shared timeline, and the project Codex that frames Mercury Rising without replacing official lore.

Planets / Locations
Mercury, Mars, and the regions between.
Codex
UAC Personnel, Operations, and Environments.
Shared Timeline
How 2141 sits between Doom 3 and DOOM (2016).
Official DOOM Games
The official games this universe builds on.
Legal Notice
Fan project disclaimer and trademark notice.