Games like Mad Bullz
Games like Mad Bullz include People Playground, Besiege, BeamNG.drive, Goat Simulator, and Teardown. We matched them by the tags players give Mad Bullz on Steam (Action, Simulation, Physics, Beat 'em up, and Sandbox): closest matches first, and among equally close ones the better-known games.

People Playground
Shared: Physics · Sandbox · Simulation

Besiege
Shared: Simulation · Physics · Sandbox

BeamNG.drive
Shared: Simulation · Physics · Sandbox

Goat Simulator
Shared: Simulation · Physics · Sandbox

Teardown
Shared: Physics · Sandbox · Destruction

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Physics

Hard Bullet
Shared: Action · Simulation · Sandbox

Fun with Ragdolls: The Game
Shared: Physics · Simulation · Action

GoreBox
Shared: Physics · Sandbox · 3D

Half Sword
Shared: Physics · Simulation · Action

Wreckfest
Shared: Simulation · Action · Physics

BONEWORKS
Shared: Action · Physics · Sandbox

Brick Rigs
Shared: Sandbox · Physics · Destruction

Garry's Mod
Shared: Sandbox · Physics · Simulation

We Who Are About To Die
Shared: Action · Simulation · Physics

Medieval Engineers
Shared: Physics · Sandbox · Simulation

Nuclear Option
Shared: Simulation · Action · Physics

Ultimate Epic Battle Simulator
Shared: Simulation · Action · Sandbox

Blade and Sorcery
Shared: Action · Sandbox · Physics

Turbo Dismount™
Shared: Simulation · Physics · Action

Hot Dogs, Horseshoes & Hand Grenades
Shared: Sandbox · Physics · Simulation

BONELAB
Shared: Physics · Action · Sandbox

Space Engineers
Shared: Sandbox · Simulation · Physics

Just Cause 4 Reloaded
Shared: Action · Sandbox · Destruction