Best Steam Co-op Games 2026 - Most Active Cooperative Games
Cooperative games are perfect for playing with friends on Steam. Whether you're looking for a co-op shooter like Deep Rock Galactic, a cooperative survival game like Valheim, or a co-op horror game like Lethal Company, this page lists the most active Steam co-op games in 2026. Check real-time player statistics to find games with an active community and never end up on a dead co-op game again. All genres covered: horror, survival, adventure, puzzle, action and more.
Characteristics of Co-op
- âś“Designed for multiplayer (2 to 8 players)
- âś“Common objectives to accomplish as a team
- âś“Communication and coordination required
- âś“More fun with friends than solo
- âś“Playable in local or online co-op
- âś“Varied genres: horror, survival, adventure, puzzle
12,638
Games in category
18
Very Active
7
Declining
3,332,214
Current Players
All Co-op GamesPage 1 of 506
99
Valheim
176K players online+107.64%
96
Once Human
25K players online+34.05%
94
Bodycam
12K players online+504.8%
94
Borderlands 4
20K players online+23.56%
90
Counter-Strike 2
994K players online-1.06%
89
Grand Theft Auto V Enhanced
73K players online-3.18%
88
HELLDIVERS™ 2
40K players online+10.14%
88
NBA 2K27
20K players online+0%
88
ELDEN RING
39K players online+7.83%
86
Marvel Rivals
57K players online-8.49%
86
Dead by Daylight
53K players online-7.64%
86
FINAL FANTASY XIV Online
18K players online-1.82%
84
Apex Legends™
146K players online-3.11%
83
Dota 2
736K players online-1.11%
82
Wuthering Waves
14K players online-3.35%
82
Warhammer 40,000: Space Marine 2
18K players online-4.04%
80
Tom Clancy's Rainbow Six Siege
56K players online+7.96%
80
Diablo® IV
13K players online-20.29%
78
PUBG: BATTLEGROUNDS
495K players online-2.32%
77
Warframe
61K players online-3.42%
77
Rust
107K players online-9.11%
74
How to Fish
39K players online-38.94%
72
Palworld
104K players online-40.46%
69
Call of Duty®: Black Ops III
5K players online-0.17%
61
Ready or Not
11K players online-3.51%
Frequently Asked Questions
What's the best co-op game on Steam?
Deep Rock Galactic is often cited as the best co-op game thanks to its addictive gameplay, positive community, and regular content. Valheim, It Takes Two, and Lethal Company are also excellent choices.
What are the best free co-op games on Steam?
Several free co-op games have an active community on Steam: Destiny 2, Warframe, Path of Exile, and Unturned offer hundreds of hours of cooperative gameplay without spending a dime.
What are the best Steam co-op games for 2 players?
For duo play, It Takes Two, Portal 2, A Way Out, and We Were Here are excellent co-op games designed specifically for 2 players. Deep Rock Galactic and Valheim also work great with two.
What are the best co-op horror games on Steam?
Lethal Company, Phasmophobia, and Devour are the most popular co-op horror games on Steam. They offer terrifying experiences that are even better with friends.
How to find active co-op games on Steam?
Use this page to see real-time player statistics for the best Steam co-op games. A game with thousands of online players guarantees quick matches and a living community.
Can you play Terraria in co-op?
Yes, Terraria supports up to 8 players in online co-op. It's actually one of the best ways to discover the game, with the ability to share boss fights and building.