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
14,031
Games in category
20
Very Active
4
Declining
1,277,584
Current Players
All Co-op GamesPage 1 of 562
96
MapleStory
24K players online+75.4%
96
The Outlast Trials
11K players online+604.85%
92
RuneScape: Dragonwilds
8K players online+24.36%
92
Risk of Rain 2
11K players online+196.53%
91
DayZ
21K players online+1.94%
86
Dead by Daylight
42K players online-2.19%
86
Moon Sweepers
43K players online+0%
86
Dota 2
326K players online+14.31%
86
Gears of War: E-Day
6K players online+0%
85
Call of Duty®: Modern Warfare® 4
1 players online+0%
85
Counter-Strike 2
460K players online-1.4%
85
Scam With Your Friends
4K players online+0%
85
NBA 2K27
10K players online+0%
85
Once Human
20K players online-13.89%
85
Wuthering Waves
5K players online+12.42%
84
ACE COMBAT 8: WINGS OF THEVE
5K players online+0%
82
over the hill
3K players online+0%
81
Marvel Rivals
40K players online-26.49%
81
HELLDIVERS™ 2
28K players online-11.13%
80
Warframe
48K players online+10.15%
69
Aniimo
3K players online-48.54%
68
Tom Clancy's Rainbow Six Siege
42K players online-14.5%
67
Rust
42K players online+1.7%
64
Apex Legends™
59K players online-15.32%
56
ELDEN RING
16K players online-23.23%
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.