Ranked 121–180 of 281 mmo games with co-op or multiplayer on Steam. Back to the most-played mmo games.
| Game | Modes | Type | Rating | Playing now | Price |
|---|---|---|---|---|---|
| Helmet Heroes | Online multiplayer, Single-player too | MMO | 53% | 4 | |
| VirtualCast | Online multiplayer, Single-player too | MMO | 78% | 8 | Free |
| Legends of Aria | PvP | MMO | 55% | — | |
| Astellia | Co-op, PvP | MMO | 66% | — | |
| Khan: Absolute Power | PvP | MMO | 55% | 7 | Free |
| Angeldust | Co-op, PvP | MMO | 64% | 1 | Free |
| Continent of the Ninth Seal | Co-op, PvP | MMO | 71% | 1 | |
| Audition Online | PvP, Single-player too | MMO | 61% | — | |
| Ryzom | Co-op, PvP | MMO | 71% | 5 | Free |
| Royal Quest | Online multiplayer | MMO | 70% | — | |
| Zezenia Online | PvP | MMO | 69% | 5 | Free |
| 龙魂时刻 | Online multiplayer | MMO | 35% | — | |
| OrbusVR: Reborn | PvP | MMO | 76% | — | |
| Rappelz | Online multiplayer | MMO | 58% | 5 | Free |
| CABAL Online | Online multiplayer | MMO | 68% | — | |
| Dark Swords | Co-op, PvP | MMO | 65% | 4 | Free |
| Fantasy Tales Online | Online multiplayer | MMO | 69% | 3 | |
| Sansar | Co-op, PvP | MMO | 52% | 2 | Free |
| Ember Strike | Online multiplayer, Single-player too | MMO | 79% | — | |
| Tale of Toast | Online multiplayer | MMO | 51% | 1 | Free |
| Evolvation | Co-op, PvP | MMO | 68% | — | $1.99 |
| Wild West Online | Co-op, PvP | MMO | 28% | — | |
| Astroflux | Co-op, PvP | MMO | 72% | 3 | Free |
| Nostos | Co-op, Single-player too | MMO | 45% | — | |
| Divine Souls F2P MMO | Co-op, Single-player too | MMO | 50% | — | |
| Stash | Co-op, PvP | MMO | 66% | 1 | Free |
| stein.world | Co-op, PvP | MMO | 67% | — | Free |
| Dragon's Prophet | Online multiplayer | MMO | 68% | — | Free |
| Orake Classic | Co-op, PvP | MMO | 71% | 1 | |
| Twin Saga | Online multiplayer | MMO | 71% | — | |
| Revelation Online | PvP | MMO | 46% | — | |
| Phobos | PvP | MMO | 64% | 3 | Free |
| BattleStick | PvP | MMO | 44% | — | |
| Onset | PvP | MMO | 69% | — | $18.99 |
| Hide and Seek | Co-op, PvP | MMO | 61% | — | $0.99 |
| Red Stone Online | Online multiplayer | MMO | 63% | 2 | Free |
| Subspace Discovery | Co-op | MMO | 76% | 3 | Free |
| Cereal Soup | Online multiplayer | MMO | 44% | — | |
| Spire Horizon Online | Co-op, PvP | MMO | 69% | 2 | $3.99 |
| Heaven Forest - VR MMO | PvP, Single-player too | MMO | 68% | 1 | $0.99 |
| Otherland MMO | Online multiplayer | MMO | 41% | — | |
| Eternal Magic | PvP | MMO | 68% | — | |
| DarkStory Online | Co-op, PvP | MMO | 66% | 1 | Free |
| The Beasts Of 9500 | PvP | MMO | 57% | — | $9.99 |
| TwelveSky 2 Classic | PvP | MMO | 68% | 2 | |
| Deuterium Wars | Co-op, PvP | MMO | 78% | — | Free |
| Elite Dangerous: Arena | PvP | MMO | 47% | 1 | |
| Key To Heaven | Co-op, PvP | MMO | 73% | 2 | Free |
| NEStalgia | Co-op, Single-player too | MMO | 63% | 1 | |
| Lucent Heart | Online multiplayer | MMO | 50% | 1 | Free |
| Warlords Awakening | Co-op, PvP | MMO | 71% | — | |
| The Ultimatest Battle | PvP | MMO | 79% | — | Free |
| Lost Islands | Co-op, PvP | MMO | 34% | 1 | Free |
| Karos Returns | PvP | MMO | 73% | — | |
| Metal Reaper Online | Online multiplayer | MMO | 71% | — | |
| Virtual Battlegrounds | Co-op, PvP | MMO | 68% | — | $19.99 |
| Anarchy Online | Online multiplayer, Single-player too | MMO | 83% | 1 | Free |
| Trimurti Online | Co-op, PvP | MMO | 46% | 1 | Free |
| ROSE Online | Co-op, Single-player too | MMO | 70% | — | |
| Luna Online: Reborn | PvP | MMO | 61% | — |
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