Best Online Co-Op Games on Steam (2026)
Every game on the site tagged Online Co-Op on Steam, ranked by popularity and current follower momentum.
Updated daily · June 29, 2026
The best Online Co-Op games on Steam right now are DayZ, Phasmophobia, Valheim. We rank every game carrying the Online Co-Op Steam tag by a popularity-and-momentum blend — total Steam reviews, follower count and 24-hour peak players, with extra weight for 7-day Steam follower growth so currently-rising games surface higher. 74 Online Co-Op games tracked, updated June 29, 2026.
| # | Game | Reviews | 24h Peak | 7d Growth | Similar |
|---|---|---|---|---|---|
| 1 | DayZ ▲ | 74% (205,808) | 54,540 | +867 | similar → |
| 2 | Phasmophobia | 96% (425,602) | 16,552 | +546 | similar → |
| 3 | Valheim | 95% (295,764) | 29,593 | +388 | similar → |
| 4 | Squad | 83% (108,985) | 18,861 | +643 | similar → |
| 5 | Dying Light | 94% (131,407) | 5,382 | +340 | similar → |
| 6 | Monster Hunter Wilds ▲ | 67% (114,092) | 65,910 | +802 | similar → |
| 7 | Among Us | 92% (420,072) | 10,583 | +503 | similar → |
| 8 | Ready or Not ▲ | 74% (177,949) | 5,573 | +1,493 | similar → |
| 9 | It Takes Two ▲ | 96% (56,775) | 29,006 | +1,354 | similar → |
| 10 | Lethal Company | 97% (340,580) | 4,607 | +235 | similar → |
| 11 | Dead by Daylight | 79% (351,802) | 63,322 | — | similar → |
| 12 | Green Hell | 85% (32,542) | 10,516 | +263 | similar → |
| 13 | ICARUS | 76% (33,669) | 8,631 | +284 | similar → |
| 14 | MONSTER HUNTER RISE | 86% (48,730) | 12,769 | +249 | similar → |
| 15 | Split Fiction ▲ | 96% (35,566) | 10,723 | +897 | similar → |
| 16 | Castle Crashers® ▲ | 97% (57,722) | 672 | +844 | similar → |
| 17 | Overcooked! 2 | 94% (18,598) | 8,376 | +627 | similar → |
| 18 | Windrose ▲ | — | — | +1,403 | similar → |
| 19 | R.E.P.O. | 97% (152,196) | 37,782 | — | similar → |
| 20 | Pummel Party | 88% (18,173) | 3,299 | +255 | similar → |
| 21 | Granblue Fantasy: Relink | 92% (12,210) | 3,458 | +786 | similar → |
| 22 | RV There Yet? ▲ | 90% (30,647) | 6,404 | +838 | similar → |
| 23 | Abiotic Factor | 96% (33,580) | 3,530 | +412 | similar → |
| 24 | World War Z | 85% (8,781) | 2,744 | +335 | similar → |
| 25 | Stumble Guys | 83% (32,037) | 4,237 | +288 | similar → |
| 26 | Solo Leveling: ARISE OVERDRIVE | 75% (2,825) | 704 | +725 | similar → |
| 27 | Backrooms: Escape Together ▲ | 90% (12,570) | 909 | +1,397 | similar → |
| 28 | Avatar: Frontiers of Pandora™ | 77% (7,179) | 2,968 | +416 | similar → |
| 29 | MISERY | 83% (6,658) | 478 | +246 | similar → |
| 30 | Barony | 92% (11,664) | 1,538 | +693 | similar → |
| 31 | MIMESIS | 80% (1,855) | 1,265 | +611 | similar → |
| 32 | Escape the Backrooms | 89% (43,383) | 8,391 | — | similar → |
| 33 | Soulframe ▲ | — | — | +823 | similar → |
| 34 | The Spell Brigade | 91% (4,448) | 2,642 | +199 | similar → |
| 35 | Climber Animals: Together | 99% (136) | 13,709 | +366 | similar → |
| 36 | Farever ▲ | — | — | +1,201 | similar → |
| 37 | Species: Unknown | 95% (3,561) | 565 | +528 | similar → |
| 38 | Outward 2 | — | — | +281 | similar → |
| 39 | Sledding Game | — | — | +221 | similar → |
| 40 | Active Matter | — | — | +373 | similar → |
74 Online Co-Op games tracked · 43 currently gaining Steam followers · data via Steam & SteamDB · all tags · trending by genre · all trending games →