Online co-op Combat games

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

Showing 191–200 of 1,027 games matching Combat · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
69% of 694

Build your base on a moving Machine, travel through biomes with different resources, and prepare for the night when a zombie threat is much higher than during the day. Would you go solo or explore this new world with your best friends?

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
63% of 2,676

The Universe is yours. SpaceCraft is an online space exploration and building game. Explore a vast galaxy of solar systems and planets, mine and craft resources, design and build ships, automate planetary bases and interplanetary logistics, trade and cooperate.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
78% of 11,011

"Lost Castle 2" is a 2D Beat'em up Rogue-Lite game. Explore abundant treasures and items to enhance yourself, master various weapons to showcase your skills, and challenge powerful monsters to demonstrate your strength. A new adventure is calling for treasure hunters!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
82% of 1,919

Step into the ultimate open-world witch adventure. Befriend and battle creatures, and conjure up a sanctuary alongside other witches in co-op or single-player.

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Released
Price
$$ · Standard
Players
👥 Not stated

A survivor-like action survival game centered on 3D movement, dodging, and co-op horde clearing. Upgrade skills, craft your build, strengthen your gear, carve through enemy waves, and take down bosses.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
100% of 2

Mudventure: 4-player co-op survival on shifting 3D mudflats. As a cute mole, dig for resources and repair your ship. Use terrain transformation to carve paths, explore caves during real-time tides, and defeat 5 giant bosses. Escape with friends before the sea swallows the island!

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Realm of Balls is a fast 2D top-down action MOBA where distinct ball heroes clash in online ranked 3v3, party invites, and local battle modes. Master movement, terrain, crowd control, and signature skills across solo, team fights, and free-for-all chaos.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 5

Mumagi: Stellar Saviors is a challenging co-op bullet heaven where you can gather up to 4 players to take down celestial forces. Choose a magical girl, enhance your powers, and restore time and space to their natural order!

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$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
75% of 472

Step into the epic world of Descent with the first fantasy co-op tactical RPG forged from the legendary dungeon crawling board game. Lead a company of fearless heroes across Terrinoth®, survive against epic boss battles in turn-based combat, and settle the fate of a world facing unending darkness.

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Free
Released
Price
Free
Players
👥 2–8 players
Reviews
60% of 5

Conquer. Control. Dominate. A fast-paced, competitive territory game where every tile you claim brings you closer to victory, and every second of inattention can turn the tide completely.