1,147 Online Co-Op Indie games your group can play together online, including Realm of the Mad God Exalt, Serious Sam II, and Dungeon Defenders.
All games: 24
Join friends in Realm of the Mad God Exalt for crowded online boss fights, branching dungeons, 19 classes, and permanent character loss when a hero falls.
Take on a colorful, weapon-packed FPS campaign with friends online or over LAN, then swap monster waves for versus play.
Build defenses with up to three friends, then fight beside them as monsters swarm the crystal. Dungeon Defenders mixes tower strategy, action combat, and a long trail of character and gear upgrades.
Mine, build, and take on a changing world with your friends in Terraria. A desktop server starts with 16 online player slots; explore for better gear, then bring it into boss fights and invasions together.
Blast through Serious Sam 3: BFE’s campaign with up to 16 online players or four people in local split-screen, against waves of monsters in Egypt.
Take on a cryptic cyberpunk campaign with up to three friends, mixing firefights, hacking, psychic powers, and character builds.
Team up as demon hunters, clear four escalating waves, and fight through grim arenas in The Haunted: Hells Reach.
Clear an arcade FPS campaign with up to 16 online players, or use Fusion 2017 for local split-screen with up to four on one display.
Up to three friends can play online or on one shared screen, combining a wizard's conjured objects, a thief's grappling hook and a knight's strength across 15 fairytale levels.
Team up as survivors, scavenge weapons, and barricade rooms while player-controlled zombies close in. Zombie Panic! Source is online PvP with cooperative play inside each team.
Garry's Mod has no built-in co-op campaign, but its online Sandbox gives you and your friends physics tools, props, and a huge community workshop to turn an empty map into your own project.
Command one of six world regions as radar, fleets, bombers, and nuclear silos turn DEFCON's tense alliance game into a contest to lose the least.
Fight your friends as puppies, kittens and other fuzzy creatures in PARTY ANIMALS! Paw it out with your friends remotely, or huddle together for chaotic fun on the same screen. Interact with the world under our realistic physics engine. Did I mention PUPPIES?
Dinkum is a survival life simulation game set on an island inspired by the rugged Australian outback. Farm, hunt, mine, fish, and forage to gather resources, expand your town, and discover what makes Dinkum so special—either solo or with friends.
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
Take part of history’s greatest battle of Green VS. Tan. Fight amongst and against others online. Jump, shoot and roll your way into victory with fast paced objective based gameplay. Sometimes the greatest battles are fought by the smallest of soldiers.
Two knights, a strong bond, and a long journey. Take up the race for the rose, ride from town to town and take shelter before nightfall by any means necessary! If your bond is strong and your horse drifts well, you can be the recipient of the fabled rose. Luckily you brought guns!
A PVP tactical FPS about PLANNING & EXECUTION. Sound strategy and good teamwork are essential for victory because new PROCEDURALLY-GENERATED MAPS are delivered every week. You'll face a new tactical challenge every round.
The Two of Us is a 2D Co-op Platformer that has a strong emphasis on working together. You will be greeted with various puzzle levels where you must work in conjunction with your friend to navigate the level.
Jump into it with NEW EPIC SCUFFED BHOP SIMULATOR 2023 POG CHAMP, a new parkour game which has spicy memes, graphics, and physics engine! Play with up to 10 friends in multiplayer and by yourself in single player!
Explore the world in the golden age of offroading. Drive iconic 4x4 vehicles from the 60s to 80s by yourself or with friends through challenging trails and beautiful scenery.
Never Split the Party is an ultra social rogue-like! You're one of four adventurers joining together to explore a procedurally generated dungeon, amass powerful upgrades, and cooperate with your fellow adventures to conquer and crush the evil dungeon champions!
A fun hidden role game where you backstab your co-workers and get mad at your co-workers for backstabbing you. (6-10 players)
Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.