Single-player games like Poly Bridge
Below are 11 single-player Steam games similar to Poly Bridge, 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 Poly Bridge page.
Ranked picks
- 1

Poly Bridge 2
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Indie and Simulation with Poly Bridge.
The acclaimed bridge-building indie-hit is back! More levels, more features, more physics fun!
- 2

Poly Bridge 3
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Simulation with Poly Bridge.
The best just got better! Rediscover your engineering creativity in this genre-defining bridge engineering and puzzle solving masterpiece.
- 3

Bridge Constructor Portal
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Simulation with Poly Bridge.
Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games.
- 4

Crazy Machines 3
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Simulation with Poly Bridge.
Crazy Machines 3 is the latest, greatest, most amazing and craziest part of the series and fascinates once more with physic-based puzzles. Build your own crazy machines and share your awesomeness across the world thanks to the Steam® Workshop.
- 5

When Ski Lifts Go Wrong
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Indie and Simulation with Poly Bridge.
Ride into a hilarious construction puzzler; packed with over 100 creative physics-based challenges, sports and bloody disasters! Build contraptions to help every passenger reach their destination. Enjoy the sports by controlling your riders away from (or towards if you feel like it) peril!
- 6

Tinytopia
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Simulation with Poly Bridge.
Construct charming toy towns and cities atop tiny terrain. Combine building blocks to create new megastructures. Test your skills in the physics-based Challenge stages or simply unwind and obliterate everything with an array of cute catastrophes!
- 7

Kerbal Space Program
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Indie and Simulation with Poly Bridge.
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

World of Goo
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Indie with Poly Bridge.
World of Goo is a multiple award winning physics based puzzle / construction game made entirely by two guys.
- 9

Plasma
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Indie and Simulation with Poly Bridge.
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
- 10

Poly Bricks
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Simulation with Poly Bridge.
A brick-building puzzle game. Assemble sets of increasing complexity, design your own, share with the community.
- 11

Carbonara Crew
Single-player alternative to Poly Bridge — playable solo, no multiplayer required. Shares Indie and Simulation with Poly Bridge.
A first-person cooking sim where you run a tiny Italian restaurant, solo or with friends. Cook every dish right, serve your customers, wash the dishes: the whole restaurant is in your hands. Literally.