Games like Broken Defense
Games like Broken Defense include Thronefall, Orcs Must Die!, Orcs Must Die! 3, Bee Island, and Orcs Must Die! 2. We matched them by the tags players give Broken Defense on Steam (Action, Strategy, 3D Fighter, City Builder, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Thronefall
Shared: Strategy · Tower Defense · City Builder

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

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

Bee Island
Shared: Strategy · Tower Defense · City Builder

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

Kingdom Two Crowns
Shared: Tower Defense · City Builder · Strategy

Border Pioneer
Shared: Strategy · Tower Defense · City Builder

Kingdom Rush 6: Genesis TD
Shared: Strategy · Action · Tower Defense

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

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

Pumpkin Jack
Shared: Action · 3D Platformer · Colorful

Sonic Frontiers
Shared: Action · 3D Platformer · 3D

Rogue Tower
Shared: Strategy · Tower Defense · 3D

Bloons TD 5
Shared: Strategy · Action · Tower Defense

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

Rise to Ruins
Shared: Strategy · Tower Defense · City Builder

Totally Accurate Battle Simulator
Shared: Strategy · Colorful · Action

Last Train Outta' Wormtown
Shared: Action · 3D Platformer · 3D

Infection Free Zone
Shared: Strategy · City Builder · Action

They Are Billions
Shared: Strategy · Tower Defense · City Builder

The King is Watching
Shared: Tower Defense · Strategy · City Builder

Emberward
Shared: Strategy · Tower Defense · 3D

Ash & Adam's Existential Treads
Shared: Action · Strategy · City Builder

Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles
Shared: Action · 3D Fighter · 3D