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 511–520 of 1,410 games matching Combat, newest first · updated 13 Oct 2026

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SWAT Commander

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
77% of 680

Take charge of a SWAT unit as an elite operator. Command a specialized AI squad or team up in co-op to seize suspects, rescue civilians, and restore order. Study the briefing, kit out your team, and execute your plan with disciplined precision.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 5,637

Rise with Aion — ignite the rebellion, slay the foes, rally your allies, and unmask Terminull’s deepest, most dangerous secrets before they can rewrite our world.

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FUMES

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
95% of 2,874

Arm your vehicle with deadly weapons and roam endless wastelands in this fast-paced single-player / online co-op car combat game. Collect upgrades for your car to melt enemies and giant bosses in this bizarre world. Retro vibe. Retro cars. Retro gameplay!

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Killing Floor 3

Crossplay
$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 6 players
Reviews
46% of 16,631

It’s 2091 and megacorp Horzine has produced the ultimate army: an obedient horde of bioengineered monsters called zeds. Now, join the rebel group Nightfall in this co-op action/horror FPS that puts you and your teammates in a battle for the future of humanity.

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Fallen Relics

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 3 players
Reviews
77% of 35

"Fallen Relics" is an ARPG-type adventure-themed game. You and your friends can use characters of different professions to explore, fight, collect, and decrypt in various themed levels; you can develop your character in a variety of ways and then challenge powerful bosses.

If you loved these, you'll love this

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

A co-op rogue-like where strategy and chaos meet ! Battle monsters and gods in a magical universe, upgrade your deck, and survive hellish rooms in this tactical multiplayer bullet hell.

−30%
$$
Released
Price
$$ · Standard · On sale −30% until 19 Oct
Players
👥 Not stated
Reviews
51% of 1,184

Dreadzone is a survival game set in a deadly quarantine zone. Scavenge for resources, craft tools, build shelter, and survive against dangerous animals, zombies, mutants, and other survivors. Explore the zone where desperation drives everyone to do whatever it takes to survive.

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