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Co-op games with the biggest Steam player peaks

Valheim tops this ranking with 498,478 players, ahead of Schedule I (455,652 players) and R.E.P.O. (266,908 players). All-time peak concurrent players on Steam (SteamCharts). 50 games ranked.

⚔ Higher or lower?

Which one had the bigger Steam player peak?

#GameNumberDateSource
1ValheimAll-time Steam peak (SteamCharts)498,478 playersFebruary 2021SteamCharts
2Schedule IAll-time Steam peak (SteamCharts)455,652 playersApril 2025SteamCharts
3R.E.P.O.All-time Steam peak (SteamCharts)266,908 playersMarch 2025SteamCharts
4Split FictionAll-time Steam peak (SteamCharts)258,641 playersMarch 2025SteamCharts
5PAYDAY 2All-time Steam peak (SteamCharts)247,628 playersJune 2017SteamCharts
6Elden Ring NightreignAll-time Steam peak (SteamCharts)240,640 playersJune 2025SteamCharts
7Lethal CompanyAll-time Steam peak (SteamCharts)239,369 playersDecember 2023SteamCharts
8Content WarningPeak concurrent players at launch (free for 24 hours)over 204,000 playersApril 2024PC Gamer
9Warhammer 40,000: Space Marine 2All-time Steam peak (SteamCharts)186,199 playersSeptember 2024SteamCharts
10PEAKAll-time Steam peak (SteamCharts)169,910 playersAugust 2025SteamCharts
11EnshroudedAll-time Steam peak (SteamCharts)160,361 playersJanuary 2024SteamCharts
12The Outlast TrialsAll-time Steam peak (SteamCharts)144,762 playersSeptember 2026SteamCharts
13Human: Fall FlatAll-time Steam peak (SteamCharts)127,516 playersApril 2020SteamCharts
14OutridersAll-time Steam peak (SteamCharts)125,123 playersApril 2021SteamCharts
15Don't Starve TogetherAll-time Steam peak (SteamCharts)121,538 playersJune 2026SteamCharts
16PhasmophobiaAll-time Steam peak (SteamCharts)112,241 playersOctober 2020SteamCharts
17Warhammer 40,000: DarktideAll-time Steam peak (SteamCharts)107,450 playersNovember 2022SteamCharts
18Warhammer: Vermintide 2All-time Steam peak (SteamCharts)104,134 playersNovember 2022SteamCharts
19RaftAll-time Steam peak (SteamCharts)100,474 playersJune 2022SteamCharts
20Chained TogetherAll-time Steam peak (SteamCharts)92,186 playersJune 2024SteamCharts
21Risk of Rain 2All-time Steam peak (SteamCharts)74,945 playersAugust 2024SteamCharts
22It Takes TwoAll-time Steam peak (SteamCharts)69,976 playersDecember 2024SteamCharts
23Killing Floor 2All-time Steam peak (SteamCharts)69,246 playersJune 2018SteamCharts
24PAYDAY 3All-time Steam peak (SteamCharts)69,112 playersSeptember 2023SteamCharts
25Back 4 BloodAll-time Steam peak (SteamCharts)65,873 playersOctober 2021SteamCharts
26Deep Rock GalacticAll-time Steam peak (SteamCharts)53,558 playersJune 2024SteamCharts
27Payday: The HeistAll-time Steam peak (SteamCharts)49,734 playersOctober 2014SteamCharts
28Remnant: From the AshesAll-time Steam peak (SteamCharts)48,194 playersAugust 2019SteamCharts
29Escape the BackroomsAll-time Steam peak (SteamCharts)48,097 playersOctober 2025SteamCharts
30Supermarket TogetherAll-time Steam peak (SteamCharts)47,731 playersAugust 2024SteamCharts
31Core KeeperAll-time Steam peak (SteamCharts)46,355 playersSeptember 2024SteamCharts
32Tom Clancy's Ghost Recon WildlandsAll-time Steam peak (SteamCharts)45,663 playersMarch 2017SteamCharts
33Gunfire RebornAll-time Steam peak (SteamCharts)35,002 playersJune 2021SteamCharts
34GroundedAll-time Steam peak (SteamCharts)31,923 playersJuly 2021SteamCharts
35Tribes of MidgardAll-time Steam peak (SteamCharts)30,930 playersAugust 2021SteamCharts
36BarotraumaAll-time Steam peak (SteamCharts)19,528 playersNovember 2021SteamCharts
37GTFOAll-time Steam peak (SteamCharts)18,813 playersJune 2022SteamCharts
38Overcooked! 2All-time Steam peak (SteamCharts)17,176 playersDecember 2025SteamCharts
39PICO PARKAll-time Steam peak (SteamCharts)16,394 playersJuly 2021SteamCharts
40Starship Troopers: ExterminationAll-time Steam peak (SteamCharts)16,065 playersMay 2023SteamCharts
41Orcs Must Die! 2All-time Steam peak (SteamCharts)15,806 playersJuly 2012SteamCharts
42DEVOURAll-time Steam peak (SteamCharts)12,145 playersSeptember 2024SteamCharts
43No More Room in HellAll-time Steam peak (SteamCharts)10,869 playersNovember 2013SteamCharts
44A Way OutAll-time Steam peak (SteamCharts)8,548 playersDecember 2024SteamCharts
45ORION: PreludeAll-time Steam peak (SteamCharts)7,876 playersFebruary 2014SteamCharts
46Wolfenstein: YoungbloodAll-time Steam peak (SteamCharts)6,481 playersJuly 2019SteamCharts
47PacifyAll-time Steam peak (SteamCharts)3,086 playersJune 2021SteamCharts
48We Were HereAll-time Steam peak (SteamCharts)1,736 playersSeptember 2023SteamCharts
49Magicka 2All-time Steam peak (SteamCharts)1,552 playersMarch 2020SteamCharts
50Codename CUREAll-time Steam peak (SteamCharts)1,280 playersJuly 2015SteamCharts

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