7 building & crafting 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.
Which of these do we both own? →
| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| House Flipper 2 | Co-op, Single-player too | Building & crafting | 85% | 2,543 | $25.99 |
| Trove | Co-op, PvP | Building & crafting | 80% | 758 | Free |
| Eco | Co-op, Single-player too | Building & crafting | 81% | 692 | $29.99 |
| Mortal Online 2 | Online multiplayer | Building & crafting | 61% | 440 | $39.99 |
| Goat Simulator | Online multiplayer, Local / split-screen | Building & crafting | 91% | 71 | $9.99 |
| Super Bunny Man | Co-op, PvP | Building & crafting | 87% | 131 | $8.99 |
| Fireworks Mania - An Explosive Simulator | Co-op, Single-player too | Building & crafting | 97% | 34 | $14.99 |
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; updated 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.