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 851–860 of 1,027 games matching Combat · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 164

Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
48% of 37

Fight off thousands of enemies with a variety of powerful weapons in this surreal co-op shooter. Enter a simulation controlled by a corrupted AI to disrupt and destroy it. Explore procedural worlds, eliminate enemies, break logic, and watch it all collapse.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
85% of 14

Steel Symphony is a 2D Action-Strategy platformer where players craft combat sentinels by selecting components and balancing stats like integrity, mobility, and weapon capabilities. Chassis, weapons, and modules shape each sentinel's role with varied abilities for strategic customization.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
76% of 26

Eldorado FPS: A thrilling FPS adventure with diverse modes - Deathmatch, Team Deathmatch, Capture the Flag, Gun Mode, and Zombie Survival. Customize load-outs, compete globally, and rise in the ranks. Intense action, strategy, and endless fun await!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
76% of 8,411

IRR is a tactical PvE Co-Op extract shooter set in a de-stabilized and immersive modern-day Vietnam. As a PMC for a mysterious organization, deal with 3 factions that stand to gain from the chaos. Engage in ruthless combat, plan your deployment, and explore the world as your journey unfolds.

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$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
76% of 17

Clouds Ahoy! is a frantic coop multiplayer game. Alone or with up to four friends you make up the crew of a flying Skyship. Fight alien monsters, maintain the onboard systems, complete deliveries, and upgrade your Skyship to survive between the clouds.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
67% of 47,167

The legendary mobile multiplayer FPS Pixel Gun 3D comes to PC! Experience an enhanced world of colorful, blocky action. Featuring dozens of game modes and maps, 1500+ guns plus cross-platform multiplayer and progression.

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