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 751–760 of 3,117 games matching 4 players, best rated first · updated 14 Oct 2026

Filters: 4 players × Clear all
Filter by tag, price, players or reviews

8-Bit Invaders!

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 2–8 players
Reviews
82% of 403

8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.

$$
Released
Price
$$ · Standard
Players
👥 Up to 13 players
Reviews
80% of 1,555

Into The Flames is a Solo/Co-op firefighting game that focuses on the intensity of being a real life firefighter. Drive emergency vehicles, bust down doors, fight raging fires, and do whatever it takes to bring the chaotic scene under control!

If you loved these, you'll love this

$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 5 players
Reviews
81% of 686

A new EDF adventure begins! Only this time, the action unfolds in a parallel world where the Earth is made of digital blocks. This world has befallen into chaos, as the once peaceful square Earth has been shattered into pieces. Shape aside, it is an Earth nonetheless which needs to be defended.

If you loved these, you'll love this

$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 4 players
Reviews
79% of 5,325

Into the Radius 2 is an immersive VR survival shooter, set in a realm of surreal landscapes and deadly entities known as Pechorsk Anomaly. Arm yourself with realistic weapons and venture deeper into the mysteries within. Featuring co‑op for up to four players.

If you loved these, you'll love this

Sitting Ducks

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–6 players
Reviews
87% of 78

A chaotic co-op armageddon game where you build ridiculous structures to survive world-ending disasters with sticky hands, physics chaos & friends who probably won’t save you. Don´t be a Sitting Duck!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
85% of 127

Kohan: Immortal Sovereigns is the first game in the award-winning real time strategy series. Awarded “RTS Game of the Year” by PC Gamer and Computer Games Magazine, Immortal Sovereigns is a real-time strategy game set in a fantasy world where you take on the role of an immortal known as the Kohan.

Steam Tags: