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 771–780 of 1,027 games matching Combat · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
82% of 109

Simultaneously control a sword-wielding robot and a gunslinging space frog in Shoulders of Giants, an explosively colourful sci-fi roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Type: Science fiction and theology style FPS multiplayer shooting game; Topic: Discovering the Truth of the Universe in the Future of Humanity and Its Impact on the Evolution of Human Bones; Modes: PVE (Gun Shooting Battle and Summoning Flying Shuttle Battle), PVP (Gun Shooting Battle).

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
72% of 97

Space MMORPG where players can fly on different ships, collecting devices, subsystems and navigations or finding new weapons that will serve in battles. Take part in battles, explore the world, mine ore, trade, fight and build your own clan with a station.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Buy soldiers, assemble troops, and simply command them to fight. Each branch has its own strengths, rationally match your lineup, break through the other side's defense line, defeat all the other soldiers, or go to the other side's base camp. Support multiplayer online,and lobby matching

$
Released
Price
$ · Cheap
Players
👥 1–3 players

Back To Back is a Top-Down Rogue-Lite built for Multiplayer. Survive endless waves of enemies while continuing to get stronger, but be careful to work with your friends as their bullets are just as dangerous as the enemy's.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Planetary Conflict: 2301 is sci-fi multiplayer third person shooter set in the future, in a war between the Lunar Federation and Planetary Union.

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

The game offers intense survival gameplay where you and your friends must battle zombies by night and fend off bandits by day in a post-apocalyptic world. Work together to survive!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
85% of 526

A sandbox fighting game with built-in creation tools to create characters and stages. Animate pixel art characters using our 3D pixel art rotation technology, then battle with up to 8 players! Use our tools to export sprites for your own projects.

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