Games like Orion Wars
Games like Orion Wars include STAR WARS™ Empire at War - Gold Pack, Aliens: Dark Descent, Battlefleet Gothic: Armada (Classic), Battlefleet Gothic: Armada 2, and FTL: Faster Than Light. We matched them by the tags players give Orion Wars on Steam (RTS, Strategy, Space, Fast-Paced, and Indie): closest matches first, and among equally close ones the better-known games.

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

Aliens: Dark Descent
Shared: Strategy · RTS · Tactical

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

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

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

Planetary Annihilation: TITANS
Shared: RTS · Strategy · Singleplayer

Broken Arrow
Shared: Strategy · RTS · Action RTS

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

Total War: THREE KINGDOMS
Shared: Strategy · RTS · War

Total War: WARHAMMER III
Shared: Strategy · RTS · War

Starship Troopers: Terran Command
Shared: RTS · Strategy · Singleplayer

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Tactical · Singleplayer

Company of Heroes 2
Shared: Strategy · RTS · Tactical

Men of War: Assault Squad 2
Shared: Strategy · RTS · War

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

Homeworld 3
Shared: RTS · Space · Strategy

Warhammer 40,000: Dawn of War III
Shared: RTS · Strategy · Sci-fi

Sudden Strike 4
Shared: RTS · Strategy · Action RTS

Company of Heroes 3
Shared: Strategy · RTS · Singleplayer

Company of Heroes
Shared: Strategy · RTS · Singleplayer

Warhammer 40,000: Dawn of War - Definitive Edition
Shared: RTS · Strategy · Singleplayer

Total War: ATTILA
Shared: Strategy · RTS · War

Wargame: Red Dragon
Shared: RTS · Strategy · Tactical

Cossacks 3
Shared: RTS · Strategy · War