Games like Off the Shelf!
Games like Off the Shelf! include Goat Simulator, Garry's Mod, Totally Accurate Battle Simulator, People Playground, and BeamNG.drive. We matched them by the tags players give Off the Shelf! on Steam (Simulation, Physics, Runner, Destruction, and Sandbox): closest matches first, and among equally close ones the better-known games.

Goat Simulator
Shared: Simulation · Physics · Funny

Garry's Mod
Shared: Physics · Sandbox · Funny

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Physics

People Playground
Shared: Physics · Sandbox · Simulation

BeamNG.drive
Shared: Simulation · Physics · Destruction

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

Turbo Dismount™
Shared: Simulation · Physics · Funny

Teardown
Shared: Physics · Destruction · Sandbox

Besiege
Shared: Simulation · Physics · Sandbox

Brick Rigs
Shared: Destruction · Sandbox · Physics

Human Fall Flat
Shared: Physics · Funny · Sandbox

Goat Simulator 3
Shared: Physics · Simulation · Sandbox

Kill It With Fire
Shared: Simulation · Destruction · Physics

Wobbly Life
Shared: Simulation · Sandbox · Funny

Totally Reliable Delivery Service
Shared: Physics · Sandbox · Funny

Fireworks Mania - An Explosive Simulator
Shared: Sandbox · Physics · Simulation

Wreckfest
Shared: Simulation · Destruction · Physics

CarX Drift Racing Online
Shared: Simulation · Physics · Sandbox

Gang Beasts
Shared: Physics · Funny · Simulation

Kerbal Space Program
Shared: Simulation · Physics · Sandbox

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

PowerWash Simulator
Shared: Simulation · Casual · Sandbox

Animal Revolt Battle Simulator
Shared: Simulation · Sandbox · Physics

Placid Plastic Duck Simulator
Shared: Physics · Simulation · Funny