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 421–430 of 1,410 games matching Combat, newest first · updated 13 Oct 2026

Filters: Combat × Clear all
Filter by tag, price, players or reviews
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
87% of 8

Turbo Carnage is a fast‑paced arena survival game. Smash through clowns with deadly vehicles, fire high‑powered weapons, and call airstrikes. Play solo or join friends in online co‑op against endless, escalating waves.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 1

Team up with 64 players to fight off the horde of zombies in this post-apocalyptic FPS or join the horde against the living! Turn on your teammates and tear them apart. Level up and unlock new weapons, perks, clothing options and more! Equip your favourite loadout and join the fight!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
14% of 7

A 4-player co-op shooter set in a world overrun by mutant creatures. Use powerful yet risky doping effects to fight alongside your team and complete missions.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 3 players
Reviews
85% of 7

Welcome to the FreakShow! A twisted mix of FPS and tower defense set in the aftermath of an apocalypse where post-modern gladiatorial combat, an ever-changing arena, and your own zombies all meet in a chaotic team vs team showdown! Will you survive the arena?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
50% of 2

An online cooperative game for up to 4 players, combining horror and entertainment. Clean laboratories filled with traps and dangerous creatures to earn money and make your cleaning agency profitable.

If you loved these, you'll love this

Crystal of Atlan

Crossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
66% of 575

Crystal of Atlan is a Magicpunk MMO Action RPG where you can immerse yourself in a Magicpunk world. Build your skills, fight and uncover the secrets of this world with your allies! Time to embark on a wondrous journey of Magic and Machinery!

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

Party Game meets Arena Shooter: a chaotic multiplayer FPS with various guns, pickups, and modifiers across multiple game modes and dynamic maps. No two games will ever be the same!

If you loved these, you'll love this