Games like Under Domain - Alien Invasion Simulator
Games like Under Domain - Alien Invasion Simulator include Stellaris, Sid Meier's Civilization®: Beyond Earth™, Turmoil, Dyson Sphere Program, and Terraforming Mars. We matched them by the tags players give Under Domain - Alien Invasion Simulator on Steam (Board Game, Aliens, Villain Protagonist, Time Management, and Management): closest matches first, and among equally close ones the better-known games.

Stellaris
Shared: Strategy · Space · Sci-fi

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Space · Sci-fi

Turmoil
Shared: Management · Time Management · Strategy

Dyson Sphere Program
Shared: Space · Resource Management · Management

Terraforming Mars
Shared: Board Game · Strategy · Space

Oxygen Not Included
Shared: Management · Resource Management · Strategy

Tavern Master
Shared: Management · Strategy · Resource Management

ENDLESS Space™ - Definitive Edition
Shared: Strategy · Space · Sci-fi

Jurassic World Evolution
Shared: Management · Strategy · Simulation

XCOM: Enemy Unknown
Shared: Aliens · Strategy · Sci-fi

The Alters
Shared: Management · Strategy · Sci-fi

Anno 2205™
Shared: Strategy · Sci-fi · Space

XCOM®: Chimera Squad
Shared: Strategy · Aliens · Turn-Based Strategy

Cities: Skylines
Shared: Management · Strategy · Simulation

Evil Genius 2: World Domination
Shared: Villain Protagonist · Strategy · Management

Cliff Empire
Shared: Strategy · Sci-fi · Management

Jurassic World Evolution 2
Shared: Management · Strategy · Resource Management

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based Strategy · Management

Ravenous Devils
Shared: Villain Protagonist · Management · Resource Management

This War of Mine
Shared: Strategy · Management · Atmospheric

Anno 2070™
Shared: Strategy · Resource Management · Management

RimWorld
Shared: Strategy · Management · Sci-fi

Space Haven
Shared: Strategy · Management · Space

Sins of a Solar Empire®: Rebellion
Shared: Management · Space · Strategy