Single-player games like Crazy Machines 3
Below are 17 single-player Steam games similar to Crazy Machines 3, 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 Crazy Machines 3 page.
Ranked picks
- 1
Bridge Constructor Portal
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy and Simulation with Crazy Machines 3.
Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games.
- 2
9.8
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy and Simulation with Crazy Machines 3.
A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.
- 3
Poly Bridge
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
Unleash your engineering creativity with an engaging and fresh bridge-building simulator with all the bells and whistles. Enjoy hours of physics-based puzzle solving in the Campaign and then jump in the Sandbox to create your own bridge designs and puzzles!
- 4
Bridge Constructor: The Walking Dead
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
Bridge Constructor: The Walking Dead combines the legendary and challenging puzzle gameplay of Bridge Constructor™ with the post-apocalyptic zombie universe of AMC’s The Walking Dead.
- 5
Poly Bridge 2
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
The acclaimed bridge-building indie-hit is back! More levels, more features, more physics fun!
- 6
ABRISS - build to destroy
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy and Simulation with Crazy Machines 3.
ABRISS is an atmospheric physics-destruction building game.Build structures from parts to let them crash into your targets. Unlock new parts, destroy more, witness entropy at its worst in digital-brutalist cityscapes. Build to destroy.
- 7
Kerbal Space Program
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 8
Hardspace: Shipbreaker
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
- 9
Portal
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 10
Marble Run
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
Marble Run - is a fantastic educational toy that provides hours of fun while combining basic learning skills with coordination and organizational skill.
- 11
Crazy Machines 2
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy with Crazy Machines 3.
Crazy Machines 2 is packed with all new features to help you create your wackiest "Rube Goldberg-style" contraptions yet! All new elements, plus an amazing 3D physics engine lets you craft even more complex gadgets and effects.
- 12
Crazy Machines
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy with Crazy Machines 3.
Turn the crank, rotate the gears, push the levers, Use the catapult, explode it, or fly it...From grilling sausages with a pulley, gears, rubberbands and a candle to firing a cannon with a basketball, these wacky brain-teasers will light up your imagination with creative and addictive fun.
- 13
Crazy Machines 1.5
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy with Crazy Machines 3.
Create Your Own Zany "Rube Goldberg" Devices! Go crazy with over 200 brand new gizmo-twistin' levels! Enjoy all-new elements, music, backgrounds and more. Start off in the Inventor's Training Camp to sharpen your skills.
- 14
Crazy Machines 1.5
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy with Crazy Machines 3.
Create Your Own Zany "Rube Goldberg" Devices! Go crazy with over 200 brand new gizmo-twistin' levels! Enjoy all-new elements, music, backgrounds and more. Start off in the Inventor's Training Camp to sharpen your skills.
- 15
Crazy Machines 1.5
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy with Crazy Machines 3.
Create Your Own Zany "Rube Goldberg" Devices! Go crazy with over 200 brand new gizmo-twistin' levels! Enjoy all-new elements, music, backgrounds and more. Start off in the Inventor's Training Camp to sharpen your skills.
- 16
Crazy Machines Elements
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Strategy with Crazy Machines 3.
GET YOUR BRAIN BUZZING with each new challenge in the latest installment of the multi award-winning wacky contraption series - CRAZY MACHINES ELEMENTS. Play with Fire, harness the power of water and control the wind to set off the most insanely creative chain reactions!
- 17
Crazy Machines VR
Single-player alternative to Crazy Machines 3 — playable solo, no multiplayer required. Shares Simulation with Crazy Machines 3.
With Crazy Machines VR the award winning puzzle game classic enters the Virtual Reality! Complete many crazy chain reactions and experience a rousing adventure surrounding the odd Clumsycorns! Or just mess around in the ingenious new interactive toy rooms.