Best 4-player online co-op games

Online co-op games on Steam with room for 4 players, going by the player count on each game's store page. Games that don't say how many can play aren't included.

Showing 2681–2690 of 3,117 games matching 4 players, best rated first · updated 14 Oct 2026

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Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
30% of 13

Galactineers is a genre-mix of open world sandbox game and realtime strategy game. You can use blocks and items to build your world in space, and also construct your own ships. Win cooperative PVE missions or PVP arena battles with your own custom ships.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
33% of 9

Backrooms: Final Exam is a cooperative horror game for 1-4 players, Where you will explore this complex and intricate dimension with your friends or alone, trying to figure out what to do, wandering around and being scared by every sound, you will need to pass your final exam!

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$
Released
Price
$ · Cheap
Players
👥 1–6 players
Reviews
40% of 5

A tower defense roguelite where every run deals you a different hand. Build towers, upgrade your hero with random card draws, and hold the line against waves of monsters. Play solo or in online co-op with friends.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
40% of 5

Backrooms: The True Level is a cooperative horror game for 1–4 players. Together or alone, you will explore this level trying to understand whether it is real, but can the darkness in this world be peaceful?

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$
Released
Price
$ · Cheap
Players
👥 Up to 10 players
Reviews
40% of 5

Craft, Build and Fight alongside your friends across this deadly open-world. Use both modern day and sci-fi tech as you Loot, Harvest and Trade for resources, gear and vehicles in order to survive the wasteland.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
40% of 5

This is a multi-person survival and escape game. You need to find what you need in the game. You can choose to leave immediately after finding what you need, or explore what happened in this area.

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