Online Co-op Games
Discover the best co-op games on Steam. Access estimated total revenue, median sales per game, saturation levels, and top-performing titles to benchmark your project.
Games with Online Co-op
Explore 12584 games featuring online co-op
0Liar's Lift
Liar's Lift is a 3-8 player social competition. Use the elevator's emergency phone to communicate and solve challenges. Lie or play fair to earn points across multiple rounds. No one dies, but only one winner exits. In this lift, your reputation is the only thing at stake.
0Knights End
Work together to survive the knight shift in this co-op PvE horror game. Serve your villagers’ as a disgraced knight by completing their commands in a cursed kingdom. Reclaim your lost honor to earn items and a chance at your freedom.
0Wreck Below
A 1-4 player co-op horror game where you dive into haunted wrecks to dismantle them and escape before you are noticed.
0Deep Dive Dungeon
The dungeon is filled with danger and chaos, composed of randomly generated location cards. In each game, you'll face different challenges, encounters with random enemies, and opportunities to acquire rare loot cards to build stronger decks.
0VAULTRATS
Scavenge after the Collapse. Extract before it's too late.
0One Day To Live
The entire world is infected. Many have already turned. The booster shots can only hold off the infection for 24 hours at a time now. You only have one day to live, will you survive?
0R.I.P.
A co-op horror game where you manipulate your own gravity to traverse a procedurally generated 3D maze filled with supernatural threats. Work alone or with your team to rescue kidnapped victims.
0Kimbap Heaven Simulator
Run your own Korean restaurant in Kimbap Heaven Simulator. Dive into a realistic cooking experience—wash, blanch, and roll your way to success. Satisfy customers with delicious recipes, manage your finances, and expand your business to build a culinary empire.
0Down We Go
A roguelite horror descent, the deeper you go, the harder it'll be to climb.
0Drift Empire
Drift Empire — arcade drift game with car collecting. Open containers, find rare vehicles, customize style and hit the track to prove who's the legend.
0Cook Together
Cook Together is a chaotic co-op drug creating game where you and your friend run a basement lab, to create drugs for big boss. Finish the product in time without blowing yourselves up. Upgrade your lab, perfect the purity of your products and become the biggest producer in town.
0Bootleg Alchemist
It's prohibition , time to bootleg like never before. As an exiled Alchemist on your path to redemption.Negotiate contracts from taverns to produce liquor and earn coin. Use your alchemy skills to evade guards , bandits and boost production, Help civilians and regain your status.
0Rogue Planet
Rogue Planet is a roguelite first-person shooter set on Earth, which has been destroyed by a cybernetic crisis. Build your character using unique items, weapons, and active skills to defeat all enemies
0三国杀OL
《三国杀OL》是一款原创三国题材策略卡牌游戏，官方正版，经典国服，四亿用户的情怀甄选！玩家可扮演三国时期著名人物，通过运用专属技能和卡牌进行竞技对抗。游戏内推出身份场、国战场等经典玩法模式，也不断上新斗地主、山河图等特色模式。公平竞技，逐竞巅峰，2v2排位和巅峰赛每月赢手机、京东卡、元宝等海量福利！
0Monster Meals: Big Bite Diner
Cook bizarre meals for hungry monsters using ingredients you gather while exploring. Upgrade your diner through a daily loop of exploring, cooking and serving. Play solo or with friends in full co-op.
0Project: Station
Deploy into a dying space station. Restore oxygen, reroute power, decode terminals, and complete your contracts before the facility collapses. The station watches how you play — and adapts. 1–4 player co-op horror.
0Guardians Planetfall
From the creators of Guardians Frontline, Guardians Planetfall drops you into a galaxy-wide war for the fate of humanity. Fight assembled into squads of up to 4 soldiers in fast, tactical VR combat across space and dangerous planets filled with aliens, Void soldiers, and massive war machines.
0Backrooms (2026)
An ultra-realistic co-op Backrooms experience for 1–6 players. Backrooms (2026) offers a mix of “classic” and brand-new, all original levels. Explore the levels, discover hidden routes, and cooperate with your team to escape.
0Weaposy
Action MMORPG game (Grinding & No pay-to-win). Experience action combat! Grind for powerful cards, and upgrade your card to +9. Whether tackling endless Roguelike PvE with 4-8 friends or dominating in fast-paced PvP, everything you see can be earned by playing. No shortcuts, just skill.
0UnderDark: Defense
Team up and take on this roguelite tower defense challenge. Strategically place towers to block enemy paths, draft random buffs to evolve your build, and withstand the dangers of the Underdark through online co-op with a friend. Only the synergy between you and your ally can hold back the darkness.