Single-player games like Disassembly 3D
Below are 9 single-player Steam games similar to Disassembly 3D, 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 Disassembly 3D page.
Ranked picks
- 1

Disassembly VR
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
Disassembly and destruction physics sandbox simulator. Detailed models of objects and vehicles and their internal parts. Disassemble objects successfully to unlock new tools and weapons to use in sandbox mode. Fight evil mannequins with everything you got in physical combat!
- 2

Be The Rocket Bucket
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
Smash, blow up, and destroy to bring peace to the world. The more destroyed, the faster it's destroyed, the more money is made. Upgrade your guns, thrusters, battleship, drones, and so much more. Realistic physics is at the core of everything done. The Llama's of Peace await your service.
- 3

Besiege
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
- 4

Space Shooter
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Simulation with Disassembly 3D.
Become the best spaceship pilot with Space Shooter which is an arcade game that can quickly wake up your hardworking side
- 5

Nimbatus - Drone Creator
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
- 6

Aviassembly
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Simulation with Disassembly 3D.
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
- 7

SimplePlanes 2
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
SimplePlanes is back! Build planes, cars, or anything else using powerful procedural parts! Explore detailed environments with friends in multiplayer, cause chaos, or download 1,000,000 community crafts for free.
- 8

Dieselpunk Wars
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
Dieselpunk Wars is a vehicle building game, focused on combat with advanced physics and damage simulation. Use over 300 elements to build a war machine of your dreams. Construct vehicles that ride on the ground, soar through the skies, or dive underwater. Prepare for combat and test your skills!
- 9

Teardown
Single-player alternative to Disassembly 3D — playable solo, no multiplayer required. Shares Indie and Simulation with Disassembly 3D.
Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.