264 Co-op · Platformer games your group can play together online, including The Adventure Pals, Unruly Heroes, and The LEGO® NINJAGO® Movie Video Game.
All games: 24
The Adventure Pals is an epic adventure platformer fueled by imagination, friendship, and the dark side of hot dogs. Your dad has been dadnapped and you, your pet rock, and a tongue-helicoptering giraffe must fight your way through levels filled with platforming, bizarre enemies, and big bosses to save the world!
LET'S KUNG FU THEM ALL! Play solo or co-op and take control of four unlikely heroes that battle a diverse lineup of enemies, show off your Kung-Fu skills and journey west across stunning different environments in order to hunt for the scattered remnants of the Sacred Scroll.
Find your inner ninja with the all-new LEGO NINJAGO Movie Video Game! Play as your favorite ninjas to defend Ninjago from the evil Lord Garmadon. Master the art of Ninjagility by wall-running and high-jumping, and battle foes to rank up and upgrade the ninja's combat skills.
20XX is a roguelike action platformer that you can play with a friend. Jump and shoot your way through ever-changing levels, collect awesome new powers, and battle mighty bosses in the name of saving the human race maybe!
Do you like shooting? Then arm yourself - the world of Bombix awaits you! You will find yourself in the shoes of a small but VERY dangerous fighter, gather together a team of thugs and show 'em all how to fight!
Shoot rubber ducky arrows, pound enemies with a rhino hammer, and help Beethoven get his groove back in the last totally normal high school themed RPGvania you’ll ever want.
Take on wild beasts, ruthless soldiers, and ancient gods in this 2D Action-Platformer inspired by Tower-Defense combat.
Pixel Worlds is a free-to-play sandbox MMO where players build worlds, craft items, explore dungeons, farm resources, and trade in a player-driven economy, all within a shared online universe rebuilt as a fresh start for a fair and stable long-term experience.
Caveblazers is a challenging and brutal roguelike platformer. Journey into a mysterious cave, fighting orcs and goblins with an abundance of weapons and magical items! Make friends along the way, then watch in despair as they are crushed in to a bloody pulp under a troll's fist.
Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels.
Join the fight and command your worm warriors into battle in the iconic 2D arcade artillery shooter where serious strategy and silly weaponry decide who swims or sinks.
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!
Cut-throat multiplayer running game that pits 4 players against each other, locally and/or online. Run, jump, swing around, and use devious weapons and pick-ups to knock opponents off-screen! One of the most competitive games you'll ever play.
Explore a haunting, punishing island in this stylized 2D action RPG. Salt and Sanctuary combines fast and brutal 2D combat with richly developed RPG mechanics in a cursed realm of forgotten cities, blood-soaked dungeons, and desecrated monuments.
Play as an exiled 'wum' looking for a new home in this bizarre but charming world, filled with strange creatures, puzzles, monsters and political chaos.
Experience the thrills of a fast-paced single and multiplayer Parkour game. Join the Rebellion and deride the security forces of an anti-leisure tyranny. Rise up to the many challenges of a futuristic Open World. Assemble your team, enhance your gear and perform incredible tricks and combos.
Broforce is an action-packed side-scrolling run ‘n’ gun ode to freedom, putting you in control of an under-funded, overpowered paramilitary organization dealing exclusively in excessive force.
Dodge, jump, and dash your way through hundreds of terrifying geometric levels and epic bosses. Too tough? Bring your friends!
Move or Die is an absurdly fast-paced 4-player local and online party game where the mechanics change every 20 seconds! It's THE friendship-ruining game.
“METAL SLUG 2”, the 2nd entry in SNK’s emblematic 2D run & gun action shooting game returns to the battlefield on the Steam gaming platform!
Enter the futuristic year of 1984, an age where ducks run wild in a frantic battle for glory. Blast your friends with Shotguns, Net Guns, Mind Control Rays, Saxophones, Magnet Guns, and much, much more. This is DUCK GAME. Don't blink.
Forget everything you’ve learned about combat. Cobalt’s slo-mo mechanic lets you perform moves that other games can’t comprehend. Discover the secrets of a distant colony in a cosmic campaign, take on challenges and rule the leaderboards, or face off against others in local and online multiplayer.
Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!
“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!