Games Like Main Assembly (2026)

Shared: Physics Sandbox, Workshop Integration

A physics sandbox where you build brick vehicles from scratch, then watch them drive, crash, and spectacularly fall apart. No hand-holding, just pure build-and-destroy.

Shared: Physics Sandbox, Challenge Mode

Ten years in Early Access and Scrap Mechanic finally stuck the landing. If building physics-powered vehicles with friends while rogue Farmbots trash your farm sounds like your idea of a good Saturday, this one is ready.

Shared: Physics Sandbox

A sandbox where you spawn ragdolls and subject them to every form of chaos imaginable. No goals, no rules, just creative destruction at your own pace.

Shared: Physics Sandbox

Wobbly physics chaos meets surprisingly deep unit-stacking strategy. TABS lets you pit ridiculous armies against each other and somehow makes it compulsive.

Shared: Physics Sandbox

Twenty years old, still pulling concurrent players that newer shooters would kill for. GMod is the multiplayer toolkit that refuses to age out, and the real question is whether your friend group is ready to commit to the server-hopping.