Online co-op War games

Every online co-op War game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 231–240 of 261 games matching War · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 2

Control a mighty champion in a cursed medieval realm from a top-down view while building and upgrading towers to fight back waves of enemies. Play solo or in online co-op in this hero tower-defense.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
50% of 4

In POPS, every bullet fired pushes you further into the chaos of war. The story-driven campaign throws you into the boots of an elite operative. Fight through a series of intense missions, face overwhelming odds, unexpected betrayals, and brutal firefights where only the strongest survive.

$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
47% of 21,400

In the direct sequel to the record-breaking Call of Duty®: Modern Warfare® II, Captain Price and Task Force 141 face off against the ultimate threat.

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Free
Released
Price
Free
Players
👥 Up to 6 players
Reviews
87% of 8

AGO BRISTOL 1775 is a ground-breaking collaboration between VR developers and a museum, transforming a British warship model made in 1775 into an immersive experience. Users can explore freely or follow a narrative aboard the Bristol when it served as a floating prison for captured enemy soldiers.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
73% of 480

Fierce military arcade shooter in VR for single-player and co-op multiplayer. Drop into a variety of indoor and outdoor battle scenes with 63 missions, 39 different weapons, and 17 types of enemies as you lead an elite fireteam into immersive 360° combat.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
64% of 91

Three Kingdoms: Battle of Generals is a multi-player online real-time strategy game based on the Three Kingdoms history which recreates realistic landscapes in the world map. Look out for flank attacks and road blocks from your enemies when you explore the open world and build your city.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
83% of 1,237

Hexarchy is an innovative, fast-paced, historical 4x strategy game where you use cards and deckbuilding to make your decisions. Single-player and online multiplayer.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
82% of 1,604

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
95% of 10,598

Fly near-future aircraft with immersive physics across dynamic battlefields, facing land, air, and sea threats. Wage war against AI or rival pilots using an array of advanced weaponry, including tactical and strategic nuclear weapons capable of annihilating anything in your path.

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