Ranked 61–120 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 |
|---|---|---|---|---|---|
| Overgrowth | Co-op, PvP | Building & crafting | 80% | 28 | $19.99 |
| Outworld Station | Co-op, Single-player too | Factory & automation | 90% | 68 | $18.99 |
| Stronghold Legends: Steam Edition | Co-op, Single-player too | Building & crafting | 87% | 57 | $14.99 |
| Octodad: Dadliest Catch | Online multiplayer, Local / split-screen | Physics sandbox | 94% | 18 | $14.99 |
| Fireworks Mania - An Explosive Simulator | Co-op, Single-player too | Building & crafting | 97% | 34 | $14.99 |
| Rolling Line | Co-op, Single-player too | Building & crafting | 96% | 56 | $19.99 |
| Lynked: Banner of the Spark | Co-op, Single-player too | Building & crafting | 86% | 60 | $14.99 |
| Medieval Engineers | Co-op, PvP | Physics sandbox | 53% | 24 | $9.99 |
| My Free Zoo | Co-op, Single-player too | Building & crafting | 63% | 56 | Free |
| Blockland | Online multiplayer, Single-player too | Building & crafting | 73% | 26 | $9.99 |
| Ships At Sea | Co-op, Single-player too | Building & crafting | 67% | 44 | $24.99 |
| Screeps: World | PvP, Single-player too | Building & crafting | 87% | 43 | $19.99 |
| Go-Go Town! | Co-op, Local / split-screen | Building & crafting | 94% | 43 | $27.99 |
| Star Trek: Infinite | PvP, Single-player too | Space sandbox | 43% | 31 | $7.49 |
| Uptasia | Co-op, PvP | Building & crafting | 58% | 44 | Free |
| ETHYRIAL | Co-op, PvP | Building & crafting | 50% | 33 | Free |
| APICO | Co-op, Single-player too | Building & crafting | 92% | 30 | $19.99 |
| Heavenly Bodies | Co-op, Local / split-screen | Space sandbox | 96% | 19 | $19.99 |
| King Arthur's Gold | Co-op, PvP | Building & crafting | 84% | 11 | Free |
| Just Die Already | Co-op, PvP | Building & crafting | 82% | 20 | $14.99 |
| Pixel Worlds: MMO Sandbox | Co-op, PvP | Building & crafting | 75% | 3 | Free |
| 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 |
| Shroud of the Avatar: Forsaken Virtues | Co-op, PvP | Building & crafting | 53% | 16 | Free |
| Gladio and Glory | PvP, Single-player too | Physics sandbox | 91% | 8 | Free |
| Cafemart Simulator | Co-op, Single-player too | Building & crafting | 80% | 25 | $7.99 |
| The Stronghold Collection | Online multiplayer, Single-player too | Building & crafting | 89% | — | $24.99 |
| 8BitMMO | Online multiplayer | Building & crafting | 60% | 4 | Free |
| Hammerting | Co-op, Single-player too | Factory & automation | 57% | 13 | $24.99 |
| The Colonists | Co-op, PvP | Factory & automation | 86% | 19 | $24.99 |
| Star Sonata 2 | Online multiplayer | Space sandbox | 67% | 21 | Free |
| Windward | Co-op, Single-player too | Building & crafting | 80% | 3 | $9.99 |
| Gedonia 2 | Co-op, Single-player too | Building & crafting | 83% | 18 | $14.99 |
| Lawgivers II | Co-op, PvP | Building & crafting | 68% | 18 | $24.99 |
| 9-Bit Armies: A Bit Too Far | Co-op, PvP | Building & crafting | 82% | 16 | $9.99 |
| Airship: Kingdoms Adrift | PvP, Single-player too | Building & crafting | 73% | 16 | $29.99 |
| Istrolid | Co-op, PvP | Space sandbox | 87% | 6 | Free |
| Anarchy Arcade | Online multiplayer, Single-player too | Building & crafting | 68% | 8 | Free |
| Mortal Online | Online multiplayer | Building & crafting | 52% | 3 | Free |
| Creature Crafter | Co-op, PvP | Building & crafting | 89% | 14 | $7.99 |
| Good Company | Co-op, Single-player too | Factory & automation | 74% | 9 | $14.99 |
| Peekaboo | Co-op, PvP | Physics sandbox | 79% | 1 | $2.99 |
| Planet Centauri | Co-op, Single-player too | Building & crafting | 79% | 7 | $14.99 |
| Totally Reliable Delivery Service | Co-op, Local / split-screen | Physics sandbox | 82% | 8 | $14.99 |
| Timeflow – Life Sim | PvP, Local / split-screen | Building & crafting | 93% | 8 | $14.99 |
| Islet Online | Co-op, Single-player too | Building & crafting | 78% | 13 | Free |
| Niffelheim | Co-op, PvP | Building & crafting | 71% | 4 | $19.99 |
| Stonies | Co-op, Single-player too | Building & crafting | 53% | 13 | Free |
| CardLife: Creative Survival | Co-op, PvP | Building & crafting | 63% | — | |
| Levelhead | Co-op, PvP | Building & crafting | 94% | 9 | $2.49 |
| Topple Tactics | PvP | Physics sandbox | 91% | 7 | $9.99 |
| Contraption Maker | Co-op, Single-player too | Building & crafting | 91% | 6 | $12.99 |
| Main Assembly | Co-op, PvP | Building & crafting | 85% | 5 | $19.99 |
| Executive Assault 2 | Co-op, PvP | Building & crafting | 84% | 4 | $24.99 |
| King of Avalon | Co-op, PvP | Building & crafting | 49% | 11 | Free |
| SOS OPS! | Co-op, PvP | Physics sandbox | 81% | 5 | $4.99 |
| Hometopia | Co-op, Single-player too | Building & crafting | 59% | 6 | $8.99 |
| SuperSmash: Physics Battle | PvP, Single-player too | Physics sandbox | 93% | 5 | $4.99 |
| Rogalia | Co-op, PvP | Building & crafting | 70% | 7 | Free |
| The LEGO Movie 2 Videogame | Co-op, Local / split-screen | Building & crafting | 64% | 2 | $29.99 |
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