Best 4-player online co-op games

Online co-op games on Steam with room for 4 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 1201–1210 of 3,124 games matching 4 players, best rated first · updated 15 Oct 2026

Filters: 4 players × Clear all
Filter by tag, price, players or reviews
Free
Released
Price
Free
Players
👥 Up to 12 players
Reviews
87% of 24

Free, lightweight animal FPS! Grab magic weapons scattered across the arena and battle in Free-for-All, Capture the Flag and Defuse the Bomb, up to 12 players per match. Runs on almost any PC, and bots fill empty slots so you can jump in anytime.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 10 players
Reviews
87% of 24

One civilization, three skies: a planet torn by multiple suns, a cluster ruled by the dark forest law, and a galaxy of ten thousand stars. Anomalies rewrite each run; Story Mode links all three parts; play online with up to 10 players or in co-op; Auto Play runs your civilization while you idle.

If you loved these, you'll love this

Hospital 666

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
71% of 1,204

Hospital 666 is a 1-4 player horror escape game. Traverse through eerie hospital levels while observing the occurrence of anomalies and choosing the correct elevator. Some abnormal bosses will chase you to death, and you must find the right way to escape them.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 109

A brotherhood in the shadows. A city on the brink. In the vacuum left by Shredder's demise, the Foot Clan's grip tightens on the streets you once called home. In the first-ever TMNT first-person action adventure VR game - forge your own chapter, solo or in co-op with up to three friends.

If you loved these, you'll love this

UNDERWARD

Deck PlayableCrossplay
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
72% of 592

UNDERWARD is a 1-4 player co-op horror exploration game. Investigators must carry «TEST-SUBJECT» monsters from a deadly underground abandoned hospital ward.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
70% of 2,586

Sequel to the best-seller ​The Red Solstice​. Plan your strategy and infiltrate a real-time tactical battlefield - alone or with up to 7 squad members. Can you demonstrate the combat prowess to survive and secure a future for humanity?

If you loved these, you'll love this

Frog Sqwad 🐸

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
73% of 361

🐸Up to 8 player co-op extraction puzzle-platformer where you swing, jump, catapult your friends, and eat eat EAT until you grow into a humongous Megafrog. Squad up with your frog friends and storm the Sewers for the glory of the Swamp King!🐸

If you loved these, you'll love this

Deep Blue Sushi

Deck Playable
−20%
$$
Released
Price
$$ · Standard · On sale −20% until 19 Oct
Players
👥 1–5 players
Reviews
74% of 242

Deep Blue Sushi is a casual 1–5 player co-op adventure where you explore the ocean, catch fresh fish, prepare sushi, serve customers, and grow your restaurant while uncovering the secrets of the mysterious Deep Blue.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 24 players
Reviews
74% of 238

Hanako: Honor & Blade is a multiplayer melee experience set in Feudal Japan, with up to 24 players. Become one of four distinct warrior classes. Dominate the battlefield through multiple game modes and maps. ------ Full Release September 15th, 2021... 14 years in the making!

If you loved these, you'll love this