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 731–740 of 1,409 games matching Combat · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
85% of 42

IRONSTRIKE is a 4-player co-op roguelike featuring physics-based swordplay, gestural spellcasting, and archery. Wield a sword, bow & arrow, or magic, and customize your build as you fight to rescue the gods of a vibrant fantasy world.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
80% of 29,745

Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
92% of 25

Jump into the exciting world of Proportions, a multiplayer game where players have different roles. Minis complete tasks while a Giant tries to stop them. Use voice chat to talk to your team, but be careful—the Giant can hear you if you’re close!

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$
Released
Price
$ · Cheap
Players
👥 Up to 10 players
Reviews
100% of 2

Welcome traveler... Survive within various unique locations throughout history and beyond. Choose your species, Invite your friends, and Endure the Wild Realms.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 789

From Gooseman, creator of the original Counter-Strike mod - Alpha Response delivers intense police action in dynamic, real-world environments. Fight solo or with friends against diverse enemies in high-stakes missions that demand fast reflexes, teamwork and split-second decision making.

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Free
Released
Price
Free
Players
👥 1–4 players
Reviews
78% of 19

1-4 Player Action Created By Jacob Boehm (Dulmari_Creations) Set In a Post Apocalyptic Dystopian Future Where Hybrids Must Battle Robots. Explore In The Open World Campaign, Fight Each other In The Multiplayer, And Survive Waves of Bot Zombies.

$
Released
Price
$ · Cheap
Players
👥 Up to 7 players
Reviews
57% of 7

Periculum is a casual strategy game about conquering hexagonal tiles. Choose from many different game modes and maps or create your own unique levels. Engage in epic battles against up to 7 bots or challenge your friends to see who comes out on top. With plenty of unique options to choose from.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
60% of 43

An new indie MMORPG inspired by OSRS! Train, battle, quest, and explore a dynamic world. Solve puzzles, conquer dungeons, and fight epic battles. This game builds upon time-tested mechanics with barricades, fires, player controlled resources, endless raids, macroing, and a caravan system!