45 physics sandbox games on Steam with co-op or multiplayer, ranked by how many people are playing right now and how well they review. Part of Sandbox & building.
| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| Garry's Mod | Co-op, PvP | Physics sandbox | 97% | 18,400 | $4.99 |
| Teardown | Co-op, PvP | Physics sandbox | 96% | 1,984 | $29.99 |
| Human Fall Flat | Co-op, PvP | Physics sandbox | 95% | 950 | $19.99 |
| Totally Accurate Battle Simulator | PvP, Single-player too | Physics sandbox | 98% | 1,299 | $6.79 |
| Brick Rigs | PvP, Single-player too | Physics sandbox | 95% | 983 | $13.99 |
| Trailmakers | Co-op, PvP | Physics sandbox | 92% | 903 | $24.99 |
| Wobbly Life | Co-op, Local / split-screen | Physics sandbox | 97% | 625 | $24.99 |
| Totally Accurate Battlegrounds | PvP | Physics sandbox | 88% | 121 | Free |
| Goat Simulator 3 | Co-op, Local / split-screen | Physics sandbox | 98% | 474 | $29.99 |
| Forts | Co-op, PvP | Physics sandbox | 92% | 379 | $8.99 |
| Placid Plastic Duck Simulator | Co-op, Single-player too | Physics sandbox | 98% | 140 | $1.99 |
| Trine Enchanted Edition | Co-op, Local / split-screen | Physics sandbox | 96% | 16 | $2.99 |
| Octodad: Dadliest Catch | Online multiplayer, Local / split-screen | Physics sandbox | 94% | 18 | $14.99 |
| Medieval Engineers | Co-op, PvP | Physics sandbox | 53% | 24 | $9.99 |
| WHAT THE GOLF? | PvP, Local / split-screen | Physics sandbox | 94% | 14 | $19.99 |
| Cortex Command | Online multiplayer, Local / split-screen | Physics sandbox | 72% | 4 | $19.99 |
| Gladio and Glory | PvP, Single-player too | Physics sandbox | 91% | 8 | Free |
| Peekaboo | Co-op, PvP | Physics sandbox | 79% | 1 | $2.99 |
| Totally Reliable Delivery Service | Co-op, Local / split-screen | Physics sandbox | 82% | 8 | $14.99 |
| Topple Tactics | PvP | Physics sandbox | 91% | 7 | $9.99 |
| SOS OPS! | Co-op, PvP | Physics sandbox | 81% | 5 | $4.99 |
| SuperSmash: Physics Battle | PvP, Single-player too | Physics sandbox | 93% | 5 | $4.99 |
| Terror of Hemasaurus | Co-op, PvP | Physics sandbox | 92% | 4 | $5.99 |
| Gish | Co-op, PvP | Physics sandbox | 58% | 1 | $9.99 |
| Simple Fish Adventure | Co-op, Single-player too | Physics sandbox | 88% | 1 | $3.99 |
| KEO | Co-op, PvP | Physics sandbox | 51% | — | $9.99 |
| Morkredd | Co-op, Local / split-screen | Physics sandbox | 80% | — | $19.99 |
| Ethereal Estate | Co-op, Local / split-screen | Physics sandbox | 87% | 1 | Free |
| UnPlugged | Co-op, Local / split-screen | Physics sandbox | 94% | 2 | $2.39 |
| KallaX | Co-op | Physics sandbox | 86% | — | $9.99 |
| Modbox | Co-op, PvP | Physics sandbox | 86% | — | $14.99 |
| Treadnauts | PvP, Local / split-screen | Physics sandbox | 88% | — | $14.99 |
| Broll | PvP, Local / split-screen | Physics sandbox | 74% | — | Free |
| Perfect Universe - Play with Gravity | Online multiplayer, Local / split-screen | Physics sandbox | 72% | — | $9.99 |
| Tiny Tanks | PvP, Local / split-screen | Physics sandbox | 66% | — | $9.99 |
| SUPER RECOILFIGHT | PvP, Local / split-screen | Physics sandbox | 78% | — | Free |
| Get Packed: Fully Loaded | Co-op, PvP | Physics sandbox | 64% | — | $19.99 |
| Ultimate Godspeed | PvP, Local / split-screen | Physics sandbox | 94% | — | $12.99 |
| Collider | Online multiplayer, Local / split-screen | Physics sandbox | 71% | — | $2.99 |
| holedown | Co-op, Local / split-screen | Physics sandbox | 86% | — | $9.99 |
| Bonkies | Co-op, Local / split-screen | Physics sandbox | 97% | — | $14.99 |
| epsilon wars | PvP, Local / split-screen | Physics sandbox | 100% | — | $4.99 |
| HUMBLE ZOMBIE | Co-op, PvP | Physics sandbox | 88% | — | $0.99 |
| BATTLEWORKS VR | Online Physics Based PVP | PvP | Physics sandbox | 43% | — | $24.99 |
| The Shattered Elements Arena | Co-op, Local / split-screen | Physics sandbox | 100% | — | Free |
Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass