Best 3-player online co-op games

Online co-op games on Steam with room for 3 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 451–460 of 3,258 games matching 3 players, best rated first · updated 14 Oct 2026

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SAS: Zombie Assault 4

✓ Deck VerifiedCrossplay
Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
85% of 9,709

Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
90% of 154

Pigeons Attack is a top-down shooter whose goal is to survive the pigeons hordes for as long as possible. Use upgrades and weapons placed around the level. Unlock new characters, maps and magic runes. Help fight this invasion, alone or with your friends!

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Free
Released
Price
Free
Players
👥 Up to 16 players
Reviews
85% of 7,559

An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be...

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Gremlins, Inc.

✓ Deck VerifiedCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Up to 6 players
Reviews
85% of 6,572

This is an intense strategy board game in a steampunk world of corrupt capitalist gremlins who compete for money, political power and prestige. Save and invest, steal and extort, arrest and get arrested – in single-player and multiplayer, with ranks and ladders, team mode and spectator mode.

Ultimate Zombie Defense

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
86% of 1,411

Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?

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Okashi Towers

Deck Playable
Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
95% of 43

Okashi Towers is a Real Time Strategy game with Tower Defense elements. Gather candy resources to build tower units or go on offense and summon creatures to attack other player bases. Join with up to 8 players and choose one of the four factions that fits your play style best

−30%
$$
Released
Price
$$ · Standard · On sale −30% until 19 Oct
Players
👥 Up to 10 players
Reviews
86% of 1,261

ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.

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