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 1–10 of 1,027 games matching Combat · updated 12 Oct 2026

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Released
Price
$ · Cheap
Players
👥 Not stated

Team up with your fellow Astro Yoinkers in this fast-paced multiplayer CTF. Physics-based grappling across moving asteroids, yoink enemy crystals, and vaporize lobbies with orbital strike satellites.

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$ · Cheap
Players
👥 Not stated

Chant your spells in your own voice. In Masters of Magic, you can choose to equip any spell you want and become the mage of your dreams. Each spell has 2 ways to chant, with the second chant being longer but stronger. We support 100 languages and fully customizable chants.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

Hunt for monsters through creepy dungeons on your own or with a squad of up to four in this sci-fi horror-based shooter! Navigate treacherous traps and escape the planet once the job is done. Purchase various kinds of equipment to make sure you and your squad are ready! The Main HQ will be watching.

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Released
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$ · Cheap
Players
👥 Not stated

An intense and fast-paced boomer shooter built around satisfying combat, a vast array of weapons, and massive enemy hordes. Like the original, inspired by classics from the 90's and 2000s.

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Released
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$ · Cheap
Players
👥 Not stated

A chaotic multiplayer horror game where a paranormal recovery crew hunts cursed relics in haunted locations — while monsters hunt them back and corrupted teammates hide among the crew. Work together, uncover the impostors, and survive long enough to escape.

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Released
Price
$ · Cheap
Players
👥 2–12 players

Runners dodge gunfire and capture objectives while Snipers defend the tower from above. Master unpredictable Supply powers, switch between distinct roles, and bring your own painted character into a fast 2–12 player asymmetric multiplayer battle.

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Players
👥 1–16 players
Reviews
100% of 10

A stylized third-person WWII shooter for 1 to 16 players, with bots filling out battles of up to 100 soldiers. Fight across Normandy with tanks and planes, house to house, or against the Haunted. Build your own maps and mods.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
83% of 6

An online idle auto-battler that lives on your taskbar. Build your party, upgrade and ascend heroes, collect tradable loot and push deeper into endless expeditions and dungeons.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
85% of 7

Horde Arena is a third-person shooter roguelite where you survive endless enemy waves. Pick a character, upgrade your stats and weapons, and evolve to dominate the battlefield. Play solo or team up with up to four players in co-op mode.

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$
Released
Price
$ · Cheap
Players
👥 Up to 3 players

Wake up on an island the sea swallows a little more every night. Punch trees, craft, build a camp, fish, and hold out against what crawls out of the water. Three bosses, a Beacon, one way home. Solo or with two friends.

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