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 171–180 of 1,027 games matching Combat · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
82% of 7,223

NTE is a supernatural urban open-world RPG developed by Hotta Studio. Your story begins in Hethereau as an unlicensed anomaly hunter. Team up with a diverse cast of companions, each with unique abilities, to unravel the city's mysteries.

$
Released
Price
$ · Cheap
Players
👥 Not stated

Challenge your friends in a high-stakes blend of card strategy and brutal arena combat, where a round of President decides your rank! Your hierarchy dictates your power in battle, letting you exploit your friends from the President's throne, or forcing you to beg for mercy as the Scum!

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Free
Released
Price
Free
Players
👥 Up to 16 players
Reviews
84% of 19

A multiplayer top-down tank game for up to 16 players. Capture bases and pillboxes, harvest trees, build roads and walls, lay mines, and battle for control of the island. The Macintosh classic, rebuilt for modern platforms — free, open source, and cross-platform across desktop, mobile, and web.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
75% of 4

Humanity’s Sun is destabilising. Worlds are on fire. A Solar-wide evacuation has begun. Earth’s military force—The Lunar Corps—prepares the colonisation of our new star system: Arcadia. But rising distress calls and radio silence hint at an unseen enemy lurking in the shadows...

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$
Released
Price
$ · Cheap
Players
👥 Not stated

This is a survival game where you must unveil the story and find your truth. Decide your fate and avoid trouble in the form of military bandits and keep an eye out for those pesky sharks! Explore dimensions, islands and discover civilisations. Good luck!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
33% of 6

Build your kingdom, train armies, forge alliances, and fight for the throne in Solderia: Fall of Kings, a medieval strategy game where every decision shapes your rise to power.

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
100% of 3

Take on your friends & players from around the world in lightning-fast duels where timing is everything. Tap at the right moment… or lose instantly. Samurai Pets is a fast-paced arcade game where one button decides the outcome. Duel locally or online—extreme reflexes, mind games, & chaos guaranteed.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
82% of 50

Dive into a fast paced, text based ARPG experience that fuses classic adventure with modern action-packed gameplay. Through 8 classes, 50 levels, 9 realms and challenging bosses, fight using over 130 skills and collect almost limitless loot and upgrades whilst perfecting your characters build.

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