Games like Glowbot Tower Defense
Games like Glowbot Tower Defense include Creeper World 4, FTL: Faster Than Light, Bloons TD 6, Legion TD 2 - Multiplayer Tower Defense, and Element TD 2 - Tower Defense. We matched them by the tags players give Glowbot Tower Defense on Steam (Tower Defense, Strategy, Competitive, Score Attack, and Sci-fi): closest matches first, and among equally close ones the better-known games.

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

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

Bloons TD 6
Shared: Tower Defense · Strategy · 3D

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Competitive

Element TD 2 - Tower Defense
Shared: Tower Defense · Strategy · Real Time Tactics

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

Aliens: Dark Descent
Shared: Strategy · Sci-fi · Real Time Tactics

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

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

Taur
Shared: Tower Defense · Strategy · Sci-fi

Infested Planet
Shared: Tower Defense · Strategy · Indie

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

Battlefleet Gothic: Armada 2
Shared: Strategy · Space · Sci-fi

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

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

Anomaly Warzone Earth
Shared: Strategy · Tower Defense · Indie

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

Minimalist Tower Defense
Shared: Tower Defense · Strategy · Real Time Tactics

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

Artisan TD
Shared: Tower Defense · Strategy · Real Time Tactics

Battlefleet Gothic: Armada (Classic)
Shared: Strategy · Sci-fi · Space

Thronefall
Shared: Tower Defense · Strategy · 3D

Stellaris
Shared: Strategy · Sci-fi · Space

Dungeon of the ENDLESS™
Shared: Strategy · Tower Defense · Sci-fi