Online co-op Combat games

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

Showing 571–580 of 1,410 games matching Combat, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
71% of 398

Broventure = Vampire Survivors + Base building + Co-op. Band together with friends and obliterate hordes of grueling enemies, gather crucial resources, and transform your camp into a sanctuary of liberation.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
78% of 28

this game is a large-scale multiplayer online role-playing game with a 45 degree perspective and no locked combat mode. Players can choose a profession from swordsmen and gunners to start the game, learn various techniques to improve their level, and explore various dungeons in the game.

Free
Released
Price
Free
Players
👥 Up to 10 players
Reviews
87% of 239

Granvir: Zero Front is a 3rd person action roguelite mech-builder with co-op multiplayer. Experience the prelude to Granvir as the resistance response to the Millennium Company invasion. Pilot your Granvir, manage your campaign between battles to find the best equipment, and stay in the fight.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
100% of 1

Step into the world of Guardians of Gaia, the ultimate team-based Arena Brawler. Command a roster of mighty Guardians, build your arsenal, master your combat skills, and dominate the battlefield in this thrilling third-person slasher.

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Vellum

Deck Playable
−50%
$$
Released
Price
$$ · Standard · On sale −50% until 19 Oct
Players
👥 1–4 players
Reviews
89% of 1,292

Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 1

Hitler won the war by splicing animal DNA with humans: The Binary Super Soldier. You are the very first Binary Elite, designed to usher his reign to the end of time. But will you? HELL no. Camp Z is an alternate history 2D side-scrolling run-and-gun shooter with online co-op.