Ranked 181–195 of 195 sandbox & building games with co-op or multiplayer on Steam. Back to the most-played sandbox & building games.
| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| No School No Rules | Co-op, Single-player too | Building & crafting | 71% | — | $1.99 |
| Bonkies | Co-op, Local / split-screen | Physics sandbox | 97% | — | $14.99 |
| Grace Online | PvP | Building & crafting | 14% | — | $1.99 |
| HexLab | PvP, Single-player too | Building & crafting | 68% | — | $3.99 |
| Scrap Galaxy | Co-op, PvP | Building & crafting | 78% | — | $7.99 |
| Sustained | Co-op, PvP | Building & crafting | 54% | — | $19.99 |
| 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 |
| Pioneerz | Co-op, PvP | Building & crafting | 80% | — | $4.99 |
| Steel Graves | Co-op, PvP | Building & crafting | 80% | — | $9.99 |
| Slingshottr | Co-op, Single-player too | Space sandbox | 100% | — | $4.99 |
| Voxel Printer | PvP, Single-player too | Building & crafting | 100% | — | $0.99 |
| 时空之海（Space Time Ocean） | Co-op, PvP | Building & crafting | 0% | — | $1.99 |
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