Games like Space Nature Attack Tower Defense
Games like Space Nature Attack Tower Defense include Bloons TD 6, FTL: Faster Than Light, Aliens: Dark Descent, Creeper World 4, and Defense Grid: The Awakening. We matched them by the tags players give Space Nature Attack Tower Defense on Steam (Strategy, Tower Defense, 3D, Top-Down, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

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

Creeper World 4
Shared: Tower Defense · Strategy · 3D

Defense Grid: The Awakening
Shared: Strategy · Tower Defense · Singleplayer

Infested Planet
Shared: Strategy · Tower Defense · Singleplayer

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Singleplayer

X-Morph: Defense
Shared: Strategy · Tower Defense · Sci-fi

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

Stellaris
Shared: Strategy · Space · Sci-fi

Anomaly Warzone Earth
Shared: Strategy · Tower Defense · Singleplayer

Space Run
Shared: Strategy · Tower Defense · Sci-fi

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Singleplayer

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

Heat Signature
Shared: Top-Down · Strategy · Space

Taur
Shared: Strategy · Tower Defense · Sci-fi

DG2: Defense Grid 2
Shared: Strategy · Tower Defense · Sci-fi

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

Sanctum 2
Shared: Tower Defense · Strategy · Sci-fi

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

Artisan TD
Shared: Strategy · Tower Defense · Singleplayer

Emberward
Shared: Tower Defense · Strategy · 3D

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

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