Best online co-op games for 8+ players

Online co-op games on Steam with room for 8+ 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 491–500 of 917 games matching 8+ players, best rated first · updated 14 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
66% of 195

Can you sound like an animal well enough to survive? Moo Who is a multiplayer voice-mimicry party game where animal players hide among NPCs, and make animal sounds into their mic before hunters figure out who is fake.

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Free
Released
Price
Free
Players
👥 3–10 players
Reviews
70% of 74

A game of survival and Mystery. 3 - 10 Explorers find themselves deep in the mountains of Transylvania. They must stay in the light or die in the dark for within one of them lies a monster. This was a student project which we plan to slowly complete over the next year.

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GameLib

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 2–15 players
Reviews
82% of 17

GameLib is an application that brings together several 3D multiplayer mini-games, such as Werewolves Online, Ludo, and Connect 4 (4 in a row). GameLib features an in-app voice chat function, so you can communicate with other players during the game.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
77% of 27

Animals are the heroes in this hilariously quirky zombie shooter. Elephants with miniguns and sloths with flamethrowers are just a few of the crazy combinations available to take on the undead. Gaming with your friends has never been so much fun!

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Castle Explorer

Crossplay
$
Released
Price
$ · Cheap
Players
👥 1–8 players
Reviews
76% of 30

Castle Explorer - The Magical board game for 1 to 8 players. Set in a vibrant fantasy realm where players take on the roles of courageous heroes willing to brave the legendary dangers of the castle. Fortune awaits those able to reach the dragon’s lair and get out alive.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 9 players
Reviews
64% of 290

A multiplayer game of survival and social deduction. You work with others to collect materials, survive the dangers, and complete tasks. Beware of monsters, but more of the alternates disguising as your teammates. They can change into supernatural monsters and attack you at any time.

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Impostor Online

Crossplay
Free
Released
Price
Free
Players
👥 4–16 players
Reviews
69% of 71

Impostor Online is a 4–16 player social deduction game of murder, lies, and paranoia. Every match you're dealt a secret role: investigate, heal, deceive—or kill. Someone at the table wants you dead. Find them first, or make sure they never find you.

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Free
Released
Price
Free
Players
👥 Up to 10 players
Reviews
58% of 27,645

AION 2 is the only MMORPG built around a world where the sky is the battlefield. Choose your faction, ascend as a Daeva, and fight a faction war across a world 36 times larger than the original. PC only, on Unreal Engine 5.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 9 players
Reviews
69% of 69

Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!

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