Games like Empyrean Frontier
Games like Empyrean Frontier include Supreme Commander: Forged Alliance, STAR WARS™ Empire at War - Gold Pack, Warhammer 40,000: Dawn of War - Anniversary Edition (Classic), FTL: Faster Than Light, and STAR WARS™ Galactic Battlegrounds Saga. We matched them by the tags players give Empyrean Frontier on Steam (Strategy, Action, Indie, RTS, and Space): closest matches first, and among equally close ones the better-known games.

Supreme Commander: Forged Alliance
Shared: Strategy · RTS · Sci-fi

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

Warhammer 40,000: Dawn of War - Anniversary Edition (Classic)
Shared: Strategy · RTS · Base Building

FTL: Faster Than Light
Shared: Strategy · Space · Indie

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

Planetary Annihilation: TITANS
Shared: Strategy · RTS · Base Building

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

Tempest Rising
Shared: Strategy · RTS · Base Building

Supreme Commander
Shared: Strategy · RTS · Sci-fi

Supreme Commander 2
Shared: Strategy · RTS · Sci-fi

Command & Conquer Red Alert™ 2 and Yuri’s Revenge™
Shared: Strategy · Action · RTS

Taur
Shared: Strategy · Action · Indie

Command & Conquer 3 Tiberium Wars™
Shared: Strategy · Action · RTS

Creeper World 3: Arc Eternal
Shared: Strategy · Indie · RTS

Command & Conquer™ Red Alert™ 3
Shared: Strategy · RTS · Action

Homeworld: Deserts of Kharak
Shared: Strategy · RTS · Sci-fi

Executive Assault 2
Shared: Strategy · RTS · Space

Halo Wars: Definitive Edition
Shared: Strategy · RTS · Base Building

Aliens: Dark Descent
Shared: Strategy · Action · RTS

Stellaris
Shared: Strategy · Space · Sci-fi

Rusted Warfare - RTS
Shared: Strategy · RTS · Base Building

Sins of a Solar Empire II
Shared: Strategy · Space · RTS

Heat Signature
Shared: Indie · Space · Action

Grey Goo
Shared: Strategy · RTS · Sci-fi