Planets / Locations

Official DOOM stories have mostly shown Earth and Mars. Mercury Rising patches the map: the same corporation is already busy across the system by 2141, and Hell sits as a gateway between those points.

1 · Choose a planet

Earth

Headquarters — in theory

Mercury

2141 campaign heart

Venus

Cloud cities

Mars

Many bases, one planet

Hell

Nexus / gateway

Ceres & the Belt

Asteroid footholds

Jovian moons

Ganymede, Callisto, Europa, Io

Saturn’s moons

Titan & Tethys

2141 campaign heart

Mercury

The campaign’s main stage. Why was Mercury conquered first, when Mars looks like the safer research choice? The story explores how Mercury became a keystone of UAC expansion — heat, twilight zones, ice, mines, and Hell gates included.

2 · Choose a region

Catullus Mining RegionCaloris Mining RegionUnity RegionSolar RailwayNorthern RailwayPolar Region

3 · Locations in region

Catullus Mining Region

Southern / Catullus-linked mining footprint on Mercury — industrial extraction and supporting outposts.

Planet photography: NASA / ESA / mission archives via Wikimedia Commons (public domain or open reuse). Hell has no real-world plate — stylised panel only. News-agency photos are not used.