Games like GAIA 2200
Games like GAIA 2200 include Dungeon of the ENDLESS™, Orcs Must Die! 2, Rock 'N' Roll Defense, Defense Grid: The Awakening, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give GAIA 2200 on Steam (Strategy, Indie, Adventure, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Dungeon of the ENDLESS™
Shared: Strategy · Tower Defense · Indie

Orcs Must Die! 2
Shared: Strategy · Tower Defense · Indie

Rock 'N' Roll Defense
Shared: Strategy · Tower Defense · Adventure

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

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

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

Space Run
Shared: Strategy · Tower Defense · Indie

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Indie

Sang-Froid - Tales of Werewolves
Shared: Strategy · Tower Defense · Indie

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Adventure

Sands of Salzaar
Shared: Strategy · Indie · Adventure

Bloons TD 6
Shared: Strategy · Tower Defense

Orcs Must Die!
Shared: Strategy · Tower Defense · Indie

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Indie

Home Behind 2
Shared: Strategy · Adventure · Indie

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Indie

The Legend of Bum-Bo
Shared: Indie · Strategy · Adventure

Totally Accurate Battle Simulator
Shared: Strategy · Indie · Adventure

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

Bardbarian
Shared: Indie · Strategy · Tower Defense

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

Overdungeon
Shared: Strategy · Indie · Adventure

Chrono Ark
Shared: Strategy · Indie · Adventure

Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · Tower Defense · Adventure