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 121–130 of 914 games matching 8+ players, best rated first · updated 13 Oct 2026

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Eternal Warfare

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
100% of 24

Eternal Warfare is a turn-based strategy and war game where you harvest resources, build an army, and then destroy your opponents! Construct production facilities, advance your tech level, and then fight through land, sea and air, until you emerge victorious!

If you loved these, you'll love this

−20%
$
Released
Price
$ · Cheap · On sale −20% until 19 Oct
Players
👥 3–8 players
Reviews
97% of 39

Haunted Heist is a 3-8 player round-based PvP horror party game where Heisters find and retrieve gems in a procedurally generated mansion, while Tricksters use chaotic abilities to distress, disrupt, and dispose of them to protect their home.

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Murky Divers

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 5–8 players
Reviews
87% of 3,993

Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

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Murder Miners

✓ Deck VerifiedCrossplay
$
Released
Price
$ · Cheap
Players
👥 Up to 30 players
Reviews
87% of 3,965

The #1 rated Xbox Live Indie Game. Halo-inspired. Destructible/constructible environments. Vehicles. Zombie survival. Hookshots. Infection mode: Be the zombie & eat the dead to level up your zombie abilities. Community playdates are still hosted every week, join us!

If you loved these, you'll love this

CounterAttack: Uprising

Deck PlayableCrossplay
−84%
$$
Released
Price
$$ · Standard · On sale −84% until 15 Oct
Players
👥 1–8 players
Reviews
90% of 273

CounterAttack: Uprising is a side scrolling space shooter (shmup). Team up or fight solo, 1 - 4 player local or up to 8 players online cross-platform coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.

If you loved these, you'll love this

KarmaZoo

✓ Deck VerifiedCrossplay
$
Released
Price
$ · Cheap
Players
👥 Up to 10 players
Reviews
88% of 957

Share the love and die trying! KarmaZoo is a joyful, altruistic, cooperative platformer where up to 10 random players help each other with the unique abilities of 50 different characters - all for the sake of good Karma.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
100% of 23

Where is Billy? is a hide-and-seek party game for 2-8 players playable locally and online. Figure out which character you are and blend into the crowd to complete various objectives across multiple game modes. Act natural, avoid detection, and outsmart your opponents!

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