Games like Battle for Antares
Games like Battle for Antares include RimWorld, XCOM: Enemy Unknown, XCOM 2, XCOM®: Chimera Squad, and STAR WARS Zero Company™. We matched them by the tags players give Battle for Antares on Steam (Strategy, Sci-fi, PvE, Singleplayer, and Crafting): closest matches first, and among equally close ones the better-known games.

RimWorld
Shared: Strategy · Colony Sim · Singleplayer

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

XCOM 2
Shared: Strategy · Sci-fi · Singleplayer

XCOM®: Chimera Squad
Shared: Strategy · Singleplayer · Sci-fi

STAR WARS Zero Company™
Shared: Sci-fi · Strategy · Singleplayer

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

Aliens: Dark Descent
Shared: Strategy · Sci-fi · Singleplayer

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

Defense Grid: The Awakening
Shared: Strategy · Sci-fi · Singleplayer

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

Stellaris
Shared: Strategy · Sci-fi · Singleplayer

Starship Troopers: Terran Command
Shared: Strategy · Singleplayer · Sci-fi

Stranded: Alien Dawn
Shared: Strategy · Crafting · Colony Sim

Sins of a Solar Empire II
Shared: Strategy · Sci-fi · Singleplayer

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · Sci-fi · Singleplayer

Oxygen Not Included
Shared: Singleplayer · Colony Sim · Strategy

Halo Wars: Definitive Edition
Shared: Strategy · Sci-fi · Singleplayer

This War of Mine
Shared: Strategy · Singleplayer · Crafting

The Alters
Shared: Sci-fi · Strategy · Singleplayer

Galactic Civilizations III
Shared: Sci-fi · Aliens · Strategy

Company of Heroes 3
Shared: Strategy · Singleplayer · PvE

Grey Goo
Shared: Strategy · Sci-fi · Aliens

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Singleplayer · Strategy

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