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 61–70 of 1,027 games matching Combat · updated 12 Oct 2026

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A fast-paced arena shooter where every kill makes you stronger. Stack powerful upgrades, create ridiculous builds, battle players and bots, and survive increasingly chaotic zombie hordes.

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👥 Up to 2 players
Reviews
100% of 1

Compete at your pace in solo or fast-paced PvP tower defense while adapting to ever-changing paths. Survive infinite dimension loops, or defend alongside a friend in online co-op. Build powerful turret combinations, and climb a global ELO ladder.

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👥 Up to 2 players
Reviews
59% of 2,859

You are Nephilim: a human-angel hybrid forged to defend humanity with supernatural powers. Fight solo or with a friend to annihilate demons and challenge brutal bosses in relentless melée combat. Rise, violent one. The prophecy is yours to fulfill.

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👥 Up to 4 players
Reviews
50% of 48

Tales of Terror invites you to delve into a chilling co-op horror survival experience. Unite to face unique enemies, navigate through visually stunning and treacherous levels and navigate the unknown. —Your ultimate challenge awaits: escape, if you can!

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65% of 23

A few logs, one harpoon, no land in sight. Pull driftwood from the sea and build your raft into a floating town, on your own or with friends you invite straight from Steam. Dive to the ocean floor. Raiders come at night, sharks circle, and somewhere out there, a leviathan is waiting.

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Work in retail? Ever wanted to deal with that annoying customer your own way? Retail Revenge is a store simulator for desktop keyboard and mouse or VR. Play solo or team up in online co-op, run the store and choose: stay professional—or fight back.

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👥 1–5 players
Reviews
50% of 722

Serious Sam: Shatterverse is a co-op roguelite FPS for 1 - 5 players. Blast through shifting universes, stack wild boons, bend the rules with run modifiers, and hunt Mental's deadliest forces. Fall fast. Come back louder.

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Reviews
100% of 1

A 2.5D magical arena FPS with sprite selection and in-game text chat. Classic multiplayer server-list with optional self hosting. Gather your Knot of Newts and storm the dungeons, conquer quests and register achievements. To die or not to die, the decision is yours!

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👥 Not stated
Reviews
50% of 2

LuLuLaLa is a real-time multiplayer action game where you team up with friends! Play as a Hero, Mage, Warrior, or Healer, and cooperate to defeat unknown creatures and powerful bosses. Upgrade your weapons at the shop, survive the battles, and report your victory to the Goddess!

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