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 12600 games featuring online co-op
Wayward
You awake to discover yourself no longer in the company of good men or a fine seafaring vessel. Treasure... you remember something about treasure. Wayward is a challenging turn-based, top-down, wilderness survival roguelike. Explore, build, and most importantly survive in these unforgiving lands.
Mythgard
Welcome to Mythgard, a fantasy cyberpunk CCG of heroes, gods, and mythical beasts. Master the unique lane and mana systems in your rise to the top or enjoy team play with a friend. New players can use the code WelcomeChallenger to get 20 free packs and more to start their journey.
Stone Simulator – Just Be a Rock
Stone Simulator is a meditative idle game where you live as a rock enduring endless seasons and absurd events. Survive storms, unlock quirky achievements, and observe a serene, ever-changing world. Perfect for Zen-like relaxation or meme-worthy humor.
Vellum
Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!
Main Assembly
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.
Tinkertown
Gather your friends and come to Tinkertown - A refreshing new Multiplayer Sandbox Experience! Explore magical places filled with loot, danger, and creativity.
Lost Rift
Lost Rift is a first person survival adventure shooter that blends cooperative base building with multiplayer PvE or PvP extraction expeditions. Journey solo or in teams of up to 5 players across a vast archipelago, craft gear, build bases, defeat raiders, and become legendary.
Hospital 666
Hospital 666 is a 1-4 player horror escape game. Traverse through eerie hospital levels while observing the occurrence of anomalies and choosing the correct elevator. Some abnormal bosses will chase you to death, and you must find the right way to escape them.
Karos
Karos: Rebirth is a classic online MMORPG with dynamic combat, deep progression, and complete freedom of choice. Explore the vast world of Azmara, join PvP battles, castle sieges, and raids — create your unique hero and join thousands of players today!
How to Train Your Cock
A chill idle game that sits in your screen while you do other tasks. Watch your cock train and grow, decorate his island, and buy him some stylish hats. Is your cock the biggest among your friends? Now it can be!
Duet Night Abyss
A Thrilling Hybrid Action RPG, featuring a Dual Narrative
Blanc
Blanc is an artistic cooperative adventure that follows the journey of a wolf cub and a fawn stranded in a vast, snowy wilderness. They must come together in an unlikely partnership to find their families.
SpellForce 2 - Anniversary Edition
SpellForce 2 - Anniversary Edition presents the award-winning SpellForce saga hits: "SpellForce 2 – Shadow Wars" and the add-on "SpellForce 2 – Dragon Storm" for a spectacular game experience!
0Occupy White Walls
A game about building art galleries may sound boring until you realise that just about anything can be an art gallery... Add in cutting edge AI, extremely creative community, Unreal graphics, and did we mention it's free?
Nin Online
Fight and train with powerful Jutsu to rise through the ranks of your village in a ninja open-world MMORPG. Join over a hundred thousand players worldwide. Play now for free!
Fade to Silence
Fade to Silence is a single-player and co-op survival adventure set in a post-apocalyptic world that is frozen in an eternal winter. Snow and ice have shaped a merciless landscape. Nature is corrupted. Monstrous creatures out of an Eldritch horror dream roam the frozen wasteland.
雀皇麻雀
無料で気軽に遊べる！初心者も簡単に楽しめる麻雀ゲーム——『雀皇麻雀』。ついにSteamで登場！
Contraption Maker
The spiritual successor to The Incredible Machine from its original designer and programmer. Play 100s of puzzles. Build and share elaborate contraptions with an huge variety of parts and critters.
FREEDOM WARS Remastered
Born into a one-million-year prison sentence, you must survive deadly missions to earn any hope of freedom. Die in prison or live on the battlefield. The choice is yours.
Sketchy's Contract
A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.