1,149 Online Co-Op Indie games your group can play together online, including Special Tactics, King of the Hat, and Ocean Keeper Co-op Drill Multiplayer.
All games: 24
ST brings the most intense, tactical-action experience to Steam. Select your custom loadout, plan out strategies and accomplish your objectives. Addictive Survival mode and unrivaled multiplayer including Squads (1 vs 1, 2 vs 2, 2 vs 1)
A 2D party platformer where you fight with a hat! Throw your hat to attack, defend and bait opponents. But watch out! If someone jumps on your hat... you die!
Dive into the Ocean Keeper – a cooperative roguelike where four survival miners defend their Mech Spider, fight with endless hordes of monsters, and dig for resources. Team up with your friends, upgrade between waves, and survive the deep caves, full of treasures… if you can.
In this multiplayer survival, horror, and deduction game, eight streamers enter a mysterious old building, planning to get famous via a livestream, but two of them become possessed by evil spirits. They will kill their companions and sacrifice them at the altar to complete a sinister ritual.
Since the tragedy of the Last Moon, the Lands of Noara are once again under threat. Take up arms and dive into this competitive turn-based game, build your army, react in real time to your opponent's actions and try to win the game!
A free-to-play co-op sci-fi looter shooter where every mission changes the universe for everyone. Squad up with up to 4 friends, on the ground or in space, in real time or turn based, and push back the Void together.
Unlike other similar soccer games, the user controls a single player instead of an entire team! World of Soccer RELOADED combines individuality and team play!
Athena Crisis is a modern retro turn-based strategy game that places you in command of 40+ units in your journey across the multiverse. Embark on a challenging single-player quest or dive into the thrill of ranked or casual multiplayer modes to become the best Athena Crisis player!
Bomb Royale is a game where different bears with unique style try to destroy their opponent by using dynamite and special power in different arenas and try to sit on the throne.
WHO’S THE BOSS? It’s finally you! One big, bad, player-controlled Boss goes against a team of Vikings, each with special abilities. Enter BOSSGARD, a hectic 1v2, 1v3, up to 1v5 bossfight multiplayer game in which you get to crush your friends as THE BOSS.
Hunt the chupacabras alone or with your friends, explore the map and find the weapons to kill the monster.
Your party finds themselves trapped in a Japanese-themed room. Solve puzzles, crack riddles and discover hidden secrets in your adventure to Escape from Kyoto House!
You wake up in an obscure room, a voice on the TV says that it is just a quest where you have to find the way out. Brute force is not enough to survive to get out of the room you will have to be patient, use your brain and have grit.
Become the king of Edemn, take part in the battles of the skeletons that have risen thanks to ancient magic. Dynamic Online 3D Shooter that will drag you out for a long time!
Last Whisper Survival is a cooperative zombie survival game where exploration of the open world is key. As you venture further, you'll need to upgrade your gear and level up your character and skill tree to handle the increasing challenges as you move through the world.
Embark on a thrilling journey through an unforgiving desert. You'll need to gather scarce resources and utilize your strategic and management skills to build a little train capable of overcoming attacks and fires.
Multiplayer sandbox with destructible environment. Destroy different maps, build your own, and play with your friends and other people online
Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. Play solo or online to stop the Rogue Star before it annihilates everything!
Filthy Animals is a chaotic single-player/co-op heist game for up to 4 players. Become a mutant animal working for criminal mastermind Tony as you steal, fight, fall over, and eat tacos. Solve puzzles and avoid security before making off with the loot, ya Filthy Animal!
The tests went wrong. He has been transformed. It is hostile toward others. You have been assigned the task of killing the horrifying creature. Listen closely as it could be around any corner. (Game includes Remastered + Classic versions)
Deliver goods with your friends in open-world city. Manage and upgrade your delivery point, acquire new ways of delivery and become the best.
Mushroom Simulator Co-op is a "cozy" co-op game where you grow by using your own voice, hide from mushroom hunters, protect your little mushrooms, and try to survive in the forest with your friends. Yes, you're literally a mushroom.
In this asymmetric 2 player co-op horror game, one hacker and one robber must collaborate and communicate to locate items in haunted houses. Search and survive to earn money and progress, but beware because you're not alone. A perfect game for two partners in crime looking for a challenge!
The genre defining VR model train game. Build and ride the model train layout of your dreams without the cost and excessive model foam dust getting in your nose!