Single-player games like SMASH Co.
Below are 8 single-player Steam games similar to SMASH Co., ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like SMASH Co. page.
Ranked picks
- 1

Ultimate Ragdoll Game
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Action and Indie with SMASH Co..
Ultimate Ragdoll Game is a Sandbox game without any limits. Have fun with ragdolls available in Steam Workshop and build your very own constructions using wide variety of blocks.
- 2

Destructive Contraptions
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Action and Indie with SMASH Co..
Destructive Contraptions is a physics sandbox where you build crazy machines out of dominoes, cannons, and pivots to trigger massive chain reactions. Design chaotic inventions and demolish giant cities, all without worrying about real world laws or life threatening liabilities.
- 3

Dirt Town
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Indie and Simulation with SMASH Co..
Push dirt, haul dirt, ride dirt. There is no solid ground in this game: every bucketful moves, slumps, packs and stays where you left it, and it's up to you to rip it up any way you want. Drive real machines, alone or with friends, on the road to the greatest dirt sim in existence.
- 4

RaceLeague
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Action and Indie with SMASH Co..
Car racing game with soft-body damage, race track builder, track database and multiplayer
- 5

Wreckreation
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Action with SMASH Co..
Wreckreation is an evolving open-world driving playground built around choice. Play solo, explore on- and off road, create your own races and challenges, hang out online with friends using full cross-play. With fast updates shaped by players, this world keeps evolving.
- 6

GearBlocks
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Indie and Simulation with SMASH Co..
Explore a world of creative building, interactive machines, and gears - lots of gears. Build all things mechanical: cars, trucks, cranes, tanks, gearboxes, engines, clocks, anything you can think of. Test your creations to destruction in challenging scenarios, and share them in the workshop!
- 7

Scraps: Modular Vehicle Combat
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Action and Indie with SMASH Co..
Scraps is a vehicle combat game where you can build your vehicle from functional parts, with design as your ally and physics as your accomplice. Compete against human or AI opponents in a combat arena, or build up your vehicle while fighting through Gauntlet mode.
- 8

Dream Car Builder
Single-player alternative to SMASH Co. — playable solo, no multiplayer required. Shares Indie and Simulation with SMASH Co..
Design your car from scratch: from the frame to the suspension and race it!