1,797 Action · Online co-op games your group can play together online, including PixelJunk™ Nom Nom Galaxy, METAL SLUG X, and WAKFU.
All games: 24
Build a soup company with up to three online friends or one local partner in PixelJunk Nom Nom Galaxy. Explore alien planets, automate production, and compete with rival corporations for the market.
“METAL SLUG X”, one of the most highly praised titles in the series among Metal Slug fans for its refined balance and game volume, heads out to the Steam gaming platform!
WAKFU turns an online fantasy world into a grid-based co-op RPG, with dungeon teams that can reach six characters and challenges built around different group sizes.
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
The Trine heroes in full 3D. Explore a fairytale world of breathtaking sceneries and enchanting creatures, solving puzzles as wizard, knight and thief, alone or together in online or local co-op.
It's one year after the collapse of civilization and self-centered hedge fund manager Joe Wheeler emerges from his specially constructed bunker in search of food. This is a huge open-world RPG where you have the freedom to play how you want - but your choices have consequences.
Battle of Empires: 1914-1918 is a story-driven RTS that brings to life some of the most brutal battles of the Great War. Each mission showcases the era’s most devastating weaponry — sabotage, stealth, trench warfare, gas attacks, artillery, and mobile infantry. BoE delivers the full WWI experience.
Take an online party of up to six through Path of Exile’s monster-filled campaign, then bring your own builds into its vast endgame.
Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.
PAYDAY 2 is an action-packed, four-player co-op shooter that once again lets gamers don the masks of the original PAYDAY crew - Dallas, Hoxton, Wolf and Chains - as they descend on Washington DC for an epic crime spree.
They came without warning, squawking menacingly, their ruffled feathers darkening the sun. Invading intergalactic chickens, out to punish humanity for our oppression of their earthly brethren. Now they're back, and they're having Earth for dinner!
“METAL SLUG 3”, the masterpiece in SNK’s emblematic 2D run & gun action shooting game series, still continues to fascinate millions of fans worldwide to this day for its intricate dot-pixel graphics, and simple and intuitive game controls, heads out to the Steam gaming platform!
The #1 rated Xbox Live Indie Game. Halo-inspired. Destructible/constructible environments. Vehicles. Zombie survival. Hookshots. Infection mode: Be the zombie & eat the dead to level up your zombie abilities. Community playdates are still hosted every week, join us!
Build ships, stations, and factions with friends in StarMade’s online voxel sandbox. Create your own goals across a generated universe, with server-based co-op and PvP.
Neverwinter is a free, action MMORPG based on the acclaimed Dungeons & Dragons fantasy roleplaying game. Epic stories, action combat and classic roleplaying await those heroes courageous enough to enter the fantastic world of Neverwinter!
CastleMiner Z is an infinite world filled with deep places to explore, and horrifying monsters to slay. Build structures out of blocks, craft weapons and tools from raw materials, and explore the vast and frightening world around you.
Experience the insane antics of Saints Row IV. The Saints have gone from the Penthouse to the White House - but Earth has been invaded and it’s up to you to save it with an arsenal of superpowers and strange weapons, in the wildest open world game ever.
Time moves forward only when you do in the dungeons of WazHack. Think your way out of problems instead of just spamming 'attack' and 'drink healing potion'.
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
Play 20 fairytale levels online or on one shared screen with up to two friends, mixing platforming, combat and open-ended physics puzzles.
Hero Siege is a fast paced Pixel Art ARPG featuring an expansive roster of unique classes, deep build experimentation, and a player driven economy.
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
Bloody Trapland is a fast-paced multiplayer platformer where the levels are filled with dozens of dangerous traps and tricky jumps that stand in your way! Play co-op with your friends or take on the challenges on your own. With support for up to 4 players at once, local and/or online.
Explore a monster-filled castle with up to three friends in Hammerwatch’s campaign, with online, LAN, and same-screen co-op.