Games like SPACE BATTLE: Humanity
Games like SPACE BATTLE: Humanity include XCOM: Enemy Unknown, DG2: Defense Grid 2, Sid Meier's Civilization®: Beyond Earth™, Plants vs. Zombies GOTY Edition, and FTL: Faster Than Light. We matched them by the tags players give SPACE BATTLE: Humanity on Steam (Space, Tower Defense, Tactical, Turn-Based Strategy, and Strategy): closest matches first, and among equally close ones the better-known games.

XCOM: Enemy Unknown
Shared: Tactical · Turn-Based Strategy · Strategy

DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Tactical

Sid Meier's Civilization®: Beyond Earth™
Shared: Space · Turn-Based Strategy · Strategy

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual

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

BattleTech
Shared: Strategy · Turn-Based Strategy · Tactical

Sid Meier's Starships
Shared: Space · Strategy · Turn-Based Strategy

Into the Breach
Shared: Turn-Based Strategy · Strategy · Tactical

Creeper World 4
Shared: Tower Defense · Space · Real Time Tactics

Aliens: Dark Descent
Shared: Tactical · Strategy · Real Time Tactics

Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Tactical

Taur
Shared: Tower Defense · Strategy · Base Building

Total War: WARHAMMER III
Shared: Turn-Based Strategy · Strategy · Real Time Tactics

ENDLESS Space™ 2
Shared: Space · Strategy · Turn-Based Strategy

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

STAR WARS Zero Company™
Shared: Turn-Based Strategy · Strategy · Tactical

Total War: ROME II - Emperor Edition
Shared: Strategy · Turn-Based Strategy · Tactical

The Last Spell
Shared: Turn-Based Strategy · Strategy · Tactical

Bloons TD 6
Shared: Tower Defense · Strategy · Casual

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

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

Battlefleet Gothic: Armada 2
Shared: Space · Strategy · Real Time Tactics

XCOM 2
Shared: Tactical · Strategy · Sci-fi

Dorfromantik
Shared: Turn-Based Strategy · Casual · Strategy