Games like TowerDefenceDesigner
Games like TowerDefenceDesigner include Creeper World 3: Arc Eternal, Creeper World 4, This War of Mine, Command & Conquer™ Remastered Collection, and Command & Conquer™ Red Alert™ 3. We matched them by the tags players give TowerDefenceDesigner on Steam (Tower Defense, Base Building, 3D Platformer, Space, and War): closest matches first, and among equally close ones the better-known games.
Creeper World 3: Arc Eternal
Shared: Tower Defense · Strategy · Level Editor
Creeper World 4
Shared: Tower Defense · Space · RTS
This War of Mine
Shared: War · Base Building · Strategy
Command & Conquer™ Remastered Collection
Shared: Base Building · Strategy · War
Command & Conquer™ Red Alert™ 3
Shared: Level Editor · Base Building · Strategy
Outpost: Infinity Siege
Shared: Tower Defense · Base Building · Robots
Planetary Annihilation: TITANS
Shared: Base Building · Strategy · RTS
Taur
Shared: Tower Defense · Base Building · Strategy
Age of Mythology: Retold
Shared: Base Building · Strategy · RTS
Age of Empires III: Definitive Edition
Shared: Base Building · Strategy · RTS
They Are Billions
Shared: Base Building · Tower Defense · Strategy
The Riftbreaker
Shared: Base Building · Tower Defense · Crafting
Mindustry
Shared: Tower Defense · Base Building · Strategy
Command & Conquer 3 Tiberium Wars™
Shared: Level Editor · Strategy · Base Building
Dyson Sphere Program
Shared: Base Building · Space · Simulation
Bloons TD 6
Shared: Tower Defense · Strategy · Casual
Warpips
Shared: Tower Defense · War · Strategy
Age of Darkness: Final Stand
Shared: Tower Defense · Base Building · Strategy
Tower Dominion
Shared: Tower Defense · Base Building · Strategy
Tempest Rising
Shared: Base Building · Strategy · RTS
Command & Conquer: Red Alert 3 - Uprising
Shared: Level Editor · Strategy · Base Building
Factorio
Shared: Base Building · Crafting · Strategy
Rogue Tower
Shared: Tower Defense · Base Building · Strategy
STAR WARS™ Empire at War - Gold Pack
Shared: Space · Strategy · RTS