Games like Buster's TD
Games like Buster's TD include Forts, Taur, Bloons TD 6, Teardown, and Totally Accurate Battle Simulator. We matched them by the tags players give Buster's TD on Steam (Tower Defense, Strategy, Base Building, Physics, and Action): closest matches first, and among equally close ones the better-known games.

Forts
Shared: Base Building · Strategy · Physics

Taur
Shared: Tower Defense · Strategy · Base Building

Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer

Teardown
Shared: Physics · Destruction · Indie

Totally Accurate Battle Simulator
Shared: Strategy · Physics · Indie

Thronefall
Shared: Tower Defense · Strategy · Action

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

X-Morph: Defense
Shared: Tower Defense · Strategy · Action

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

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

Rock of Ages
Shared: Strategy · Tower Defense · Indie

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

CastleStorm
Shared: Tower Defense · Indie · Strategy

Goat Simulator
Shared: Physics · Destruction · Indie

Outpost: Infinity Siege
Shared: Tower Defense · Base Building · Robots

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

Infested Planet
Shared: Tower Defense · Strategy · Action

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

Bloons TD 5
Shared: Tower Defense · Strategy · Action

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

Sanctum 2
Shared: Tower Defense · Strategy · Action

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

Kingdom Two Crowns
Shared: Tower Defense · Base Building · Strategy

DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Action