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 101–110 of 914 games matching 8+ players, best rated first · updated 13 Oct 2026

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Nexus 5X

Deck Playable
−50%
$$
Released
Price
$$ · Standard · On sale −50% until 19 Oct
Players
👥 2–8 players
Reviews
90% of 887

eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.

Mining Mechs

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
89% of 2,599

Unleash your inner miner as you commandeer a high-tech Mining Mech! Mine for valuable resources and upgrade your mech for even bigger hauls as you explore the underground. Fun to play alone or with up to 7 friends in online co-op multiplayer!

Free
Released
Price
Free
Players
👥 Up to 31 players
Reviews
90% of 731

Gorilla Simulator - Play with other gorillas, explore the map, participate in random events, collect bananas, hats and climb the mountain to collect Pineapple!

If you loved these, you'll love this

Wargame: Red Dragon

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 20 players
Reviews
88% of 15,774

The new reference in RTS at its best! The Wargame series returns to duty, larger, richer and more spectacular than ever before. In Wargame Red Dragon, you are engaged in a large-scale conflict where Western forces clash against the Communist bloc.

If you loved these, you'll love this

Klaus Veen's Treason

Deck Playable
Free
Released
Price
Free
Players
👥 3–16 players
Reviews
89% of 1,530

Treason is a 3-16 player party shooter of teamwork and betrayal, set among Italian mobsters. Use proximity voice chat, unique abilities/gadgets, and strategy to prove your innocence or deceive others.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 99 players
Reviews
89% of 1,182

Obama is a third person action-adventure game with bullet-hell inspired combat. Cleanse an unknown alien planet of the beasts that now inhabit it. Find out who is in command and reveal their ultimate goal.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
88% of 4,227

Return of the Classic, now remastered! Battle Realms is a fantasy RTS inspired by the stories told in martial- arts movies and oriental mythology. Develop your peasants into a highly trained and deadly efficient clan of warriors who are ready to die with your name on their lips.

Villainy

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 4–10 players
Reviews
94% of 88

A game of cooperation and betrayal. Gather your party of 4-10 players, but trust no one. Heroes and Villains plot against each other in quick, highly intense matches. Deception is your greatest weapon, and secrecy is the ultimate defense.

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NiuMa

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
91% of 263

A party game that supports online multiplayer for up to 8 players, where you can also create mods together. It features asymmetric gameplay with cute animals and the beloved platforming fun.

If you loved these, you'll love this