Games like Creeper World: Anniversary Edition
Games like Creeper World: Anniversary Edition include Creeper World 3: Arc Eternal, Door Kickers, Infested Planet, Plague Inc: Evolved, and FTL: Faster Than Light. We matched them by the tags players give Creeper World: Anniversary Edition on Steam (Strategy, Indie, Simulation, Tower Defense, and RTS): closest matches first, and among equally close ones the better-known games.

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

Door Kickers
Shared: Strategy · Simulation · Indie

Infested Planet
Shared: Strategy · Tower Defense · Indie

Plague Inc: Evolved
Shared: Strategy · Simulation · Indie

FTL: Faster Than Light
Shared: Strategy · Indie · Singleplayer

Particle Fleet: Emergence
Shared: Strategy · Indie · Simulation

Game Dev Tycoon
Shared: Indie · Simulation · Strategy

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Mini Motorways
Shared: Strategy · Simulation · Indie

DEFCON
Shared: Strategy · Simulation · Indie

911 Operator
Shared: Strategy · Simulation · Indie

Hearts of Iron IV
Shared: Strategy · Simulation · Singleplayer

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

Steel Division 2
Shared: Strategy · RTS · Simulation

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

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Banished
Shared: Strategy · Simulation · Indie

The Escapists
Shared: Strategy · Simulation · Indie

They Are Billions
Shared: Strategy · RTS · Tower Defense

Lessaria: Fantasy Kingdom Sim
Shared: Strategy · Simulation · RTS

Papers, Please
Shared: Indie · Simulation · Singleplayer

Cursed Treasure 2
Shared: Strategy · Indie · Tower Defense

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

Door Kickers 2: Task Force North
Shared: Strategy · Top-Down · Indie