Online Co-Op Games
Discover 401 online co-op-tagged games on Steam. Find the best games with this tag.
Games with Online Co-Op
Explore 20 games tagged with online co-op

Wolfenstein: Youngblood
Wolfenstein: Youngblood is the first modern co-op Wolfenstein adventure. Team up with a friend or play solo as one of BJ Blazkowicz’s twin daughters and wield a powerful arsenal of new weapons, gadgets, and abilities to liberate Paris from the Nazis.
0Call of Duty®: Black Ops 6
Call of Duty®: Black Ops 6 is signature Black Ops across a cinematic single-player Campaign, a best-in-class Multiplayer experience and with the epic return of Round-Based Zombies.

Star Conflict
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!

Reign Of Kings
Struggle to survive in a harsh medieval world. Hunt wildlife, mine resources, build structures, and craft weapons and armor in order to protect yourself. You may form a guild, bring war to all opposition, and try to seize the throne and become king!

Nuclear Nightmare
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.

Absolver
Absolver is an online multiplayer combat game where players are placed behind the mask of a Prospect under control of the Guides, the new rulers of the fallen Adal Empire, who will determine your worth in joining their elite corps of Absolvers.

Guns of Icarus Online
Assemble your crew, take to the skies in the premier PvP airship combat game. Guns of Icarus Online is all about flying massive airships, shooting big turret weapons, and working as a team for supremacy of the skies. Everyone as one, victory or death, together.

Orcs Must Die! 3
Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.
Sanctum 2
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

Planetary Annihilation: TITANS
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Legion TD 2 - Multiplayer Tower Defense
An infinitely replayable multiplayer and single-player tower defense. Defend against waves of enemies and destroy the enemy's king before they destroy yours. Legion TD 2 is a one-of-a-kind game of tactics, teamwork, and prediction. Party as 1-8 players.

Monster Prom
You have 3 weeks to get a date for Monster Prom! Go through absurd and funny situations, raise your stats and seduce one of your classmates. Beautiful art, bold, unapologetic dialogue and hard choices make up this Multiplayer (1-4 players) Dating Sim. Be your worst self.

MechWarrior 5: Mercenaries
The year is 3015. The battlefields are dominated by war machines known as BattleMechs. Level entire cities and decimate the enemy in your BattleMech. Follow a quest for glory and revenge. Manage an expanding mercenary company. Fight alongside your friends with a four-player PvE co-op.

Friends vs Friends
A frantic, online PvP shooter that combines combat and deck building. Choose a character, customize your card-based loadout, and get ready for the fights of your life!

Bellwright
Establish and expand your own settlements, liberate the land and assist its villagers, and recruit others to your cause while learning more about a life you had to leave behind. Command your forces, prove your valor through combat, and cement yourself as the hero of your people.

For The King II
Battle against Fahrul's tyrannical Queen alone or as a party of four players in the sequel to For The King, the massively popular turn-based roguelite tabletop RPG. Will you unravel the once beloved Queen's terrible secret?

Supreme Commander: Forged Alliance
The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.

Trine 4: The Nightmare Prince
The best-selling Trine series returns to the magic of 2.5D! Join three iconic heroes as they set off on a quest through fantastical fairytale landscapes to save the world from the Nightmare Prince’s shadows.

Cultivation Tales
Cultivation Tales is an open world survival craft online game. You will experience collecting, crafting, hunting, fighting, building, researching, in a wild mythical world. Fight for your clan and yourself, from mortal to divinity!

Magicka 2
The world’s most irreverent co-op action adventure returns! In the next chapter of Magicka, players ascend from the ruins of Aldrheim to experience a Midgård almost wiped free of Wizards after the Wizard Wars, with the few that do remain having either gone mad or extremely hostile toward all others