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 351–360 of 914 games matching 8+ players, best rated first · updated 13 Oct 2026

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Solaris

Crossplay
Free
Released
Price
Free
Players
👥 Up to 32 players
Reviews
81% of 90

Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?

If you loved these, you'll love this

Age of Gods

Crossplay
Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
86% of 38

A competitive turn-based strategy game where positioning, unit synergy, and map control decide everything. Capture structures, build your army, and outplay your opponents in tactical battles with up to 8 players.

If you loved these, you'll love this

Loud Run

Deck Playable
Free
Released
Price
Free
Players
👥 2–12 players
Reviews
77% of 259

"Loud Run" is a 2-12 player fun multiplayer game. The Chaser tries to catch all the Runners within the range of their voice. When the Chaser runs out of breath, it's the Runners' turn to take down the Chaser. Prepare your breath; a looooong adventure awaits you!

If you loved these, you'll love this

KitHack Model Club

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
75% of 605

Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 16 players
Reviews
77% of 249

Want to assert your dominance with other robots? Why not try pushing them off a giant floating platform! RoboSquare is a quick action-packed PVP game, where you strive to become number one! Jump in and start throwing others around!

If you loved these, you'll love this

Barbarian

Deck Playable
−50%
$
Released
Price
$ · Cheap · On sale −50% until 23 Oct
Players
👥 1–10 players
Reviews
87% of 32

Soulslike-inspired open-world survival RPG for 1-10 players. Master fluid combat with precise parries and dodges, defeat epic bosses, craft & upgrade gear, build your base, and share items with friends. Your progression persists across every world — play solo or with friends.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
78% of 175

A free-to-play Single-and-Multiplayer social deduction game in which role-based play rewards those who rely on strategy and their creative instincts. Also features full cross-play, cross-progression, and a story-rich experience. Supports up to 8 players with any combination of humans and AI.

If you loved these, you'll love this