Games like Cosmic Dominion
Games like Cosmic Dominion include STAR WARS™ Empire at War - Gold Pack, Planetary Annihilation: TITANS, Sins of a Solar Empire II, Stellaris, and ENDLESS Space™ 2. We matched them by the tags players give Cosmic Dominion on Steam (4X, RTS, Strategy, Space, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

STAR WARS™ Empire at War - Gold Pack
Shared: RTS · Strategy · Space

Planetary Annihilation: TITANS
Shared: RTS · Strategy · Real Time Tactics

Sins of a Solar Empire II
Shared: RTS · Strategy · 4X

Stellaris
Shared: Strategy · Space · 4X

ENDLESS Space™ 2
Shared: Strategy · 4X · Space

Aliens: Dark Descent
Shared: Strategy · RTS · Action

Battlefleet Gothic: Armada 2
Shared: RTS · Strategy · Space

Oxygen Not Included
Shared: Resource Management · 2D · Strategy

Battlefleet Gothic: Armada (Classic)
Shared: Strategy · RTS · Space

Anno 2205™
Shared: Strategy · 4X · Sci-fi

STAR WARS™ Galactic Battlegrounds Saga
Shared: RTS · Strategy · Action

Dune: Spice Wars
Shared: RTS · 4X · Strategy

Master of Orion
Shared: 4X · Strategy · Space

Warhammer 40,000: Dawn of War III
Shared: RTS · Strategy · Action

Total War: ROME REMASTERED
Shared: Strategy · RTS · 4X

Iron Marines
Shared: RTS · Strategy · Action

Total War: WARHAMMER II
Shared: Strategy · RTS · Action

FTL: Faster Than Light
Shared: Strategy · Space · Sci-fi

Total War: WARHAMMER III
Shared: Strategy · RTS · Real Time Tactics

Taur
Shared: Strategy · Action · RTS

Kingdoms and Castles
Shared: Strategy · 4X · Resource Management

Farthest Frontier
Shared: Strategy · 4X · Resource Management

Distant Worlds: Universe
Shared: 4X · Strategy · Space

X4: Foundations
Shared: Space · 4X · Strategy