Games like Citizens of Earth for the Steam Machine
Matched by shared genres and a comparable Steam Machine verdict — estimated or community-reported unless labeled “measured”.

Colony Ship: A Post-Earth Role Playing Game
Runs greatPlayable, with caveatsNot yet tested
RPG

In Stars And Time
Runs greatRuns greatNot yet tested
RPG

Planet's Edge
Runs greatPlayable, with caveatsNot yet tested
RPG · Simulation

Planet Alcatraz
Not yet testedNot yet testedNot yet tested
RPG

Septerra Core
Runs greatPlayable, with caveatsNot yet tested
RPG

Lords of Xulima
Runs greatPlayable, with caveatsNot yet tested
RPG

Earthling's Undertaking
Runs greatPlayable, with caveatsNot yet tested
Casual · Indie · RPG

False Skies
Runs greatPlayable, with caveatsNot yet tested
RPG

Mass Effect 2 (2010 Edition)
Runs greatPlayable, with caveatsNot yet tested
RPG

Fallout: A Post Nuclear Role Playing Game
Runs greatPlayable, with caveatsNot yet tested
RPG

FINAL FANTASY VII
Runs greatPlayable, with caveatsNot yet tested
RPG

Kingdoms of Amalur: Reckoning
Runs greatPlayable, with caveatsNot yet tested
Action · RPG

Dying Light
Runs greatRuns greatNot yet tested
Action · RPG

Crypt of the NecroDancer
Runs greatRuns greatNot yet tested
Action · Indie · RPG

Pillars of Eternity
Runs greatPlayable, with caveatsNot yet tested
RPG

The Witcher 3: Wild Hunt
Runs greatRuns greatNot yet tested
RPG

Heroes of Might & Magic III - HD Edition
Runs greatPlayable, with caveatsNot yet tested
RPG · Strategy

DARK SOULS II: Scholar of the First Sin
Runs greatRuns greatNot yet tested
Action · RPG

Divinity: Original Sin - Enhanced Edition
Runs greatRuns greatNot yet tested
Adventure · Indie · RPG

Fallout 4
Runs greatRuns greatNot yet tested
RPG

Darksiders II Deathinitive Edition
Runs greatRuns greatNot yet tested
Action · Adventure · RPG

Undertale
Runs greatPlayable, with caveatsNot yet tested
Indie · RPG

Dungeons 2
Runs greatPlayable, with caveatsNot yet tested
RPG · Simulation · Strategy

Hand of Fate
Runs greatPlayable, with caveatsNot yet tested
Action · Indie · RPG