289 2D · Platformer games your group can play together online, including Trine 5: A Clockwork Conspiracy, Mosa Lina, and 30XX.
All games: 24
The Trine series is back with its biggest adventure! In their fifth outing, the Heroes of Trine are pitted against dastardly and duplicitous villains, who will stop at nothing to seize control of the kingdom. The clock is ticking to save the world of Trine!
a hostile interpretation of the immersive sim, where nothing is planned, and everything works
Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
After 34 years in the shadows, prepare to see this legendary action adventure in a new light! Looking and playing better than ever before, Shadow of the Ninja - Reborn is Tengo Project’s remake of a cult classic, that the fans have been waiting for.
Pizza Tower is a fast paced 2D platformer, with an emphasis on movement, exploration and score attack. Featuring highly stylized pixel art inspired by the cartoons from the '90s, and a highly energetic soundtrack.
Grab your best bud for help in this new co-op challenge to help two adorable penguins, Bread and Fred, reach the top of the snowy summit. Time your jumps, cling to walls and swing across gaps to see how far you can make it before you tumble all the way back down the mountain.
A gritty, non-stop blood bath from the creator of Insanity's Blade, Super Battle Princess Madelyn and the recently released GuardGrave. And a parody of beloved 60s and 70s classic action films, heroes and villains. Deathwish Enforcers... There's gonna be hell to pay!
Share the love and die trying! KarmaZoo is a joyful, altruistic, cooperative platformer where up to 10 random players help each other with the unique abilities of 50 different characters - all for the sake of good Karma.
Adventure through the mystical Northstar Islands in this all-new take on classic 2D Sonic high-speed action platforming in Sonic Superstars.
It's a Car, made of Jelly! Squishy Physics, Tactile, Silly & Imaginative Driving/Platforming
Play Abathor Atlantis Landing and relive the glory of arcades in this action platformer for up to 4 players.
In order to save their school after it turns into a massive demonic castle, two "Demon Hunter" sisters slash and shoot their way through this 2D action adventure. Players can swap between control of both characters on the fly, each with entirely different skillsets.
Magic Rampage is a fast-paced action RPG platformer with a massive single-player campaign, deep character customization, and challenging dungeons. Master powerful gear, uncover secrets, and test your skills in competitive and PvP modes.
From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!
Teenage Mutant Ninja Turtles: The Cowabunga Collection contains thirteen prior released classic games. This collection is a great place for gamers to experience these popular titles on Steam.
Join Sonic in the high-speed adventure of a lifetime across a colorful interstellar amusement park. Color the Universe in Sonic Colors: Ultimate!
A fresh take on the classic artillery genre! Fight in physics-based battles online against players around the world. Defeat your opponents with UFO-tracked Cows, gravity-defying Anvils, or a good ol' fashioned Baseball Bat. The choice is yours!
With You is a cooperative two-player puzzle-playground. It's a tiny game that hopes to inspire couples to connect, communicate, and collaborate.
Rounds is a 1v1 rogue-lite shooter where each round gets more intense. The losing player of each round unlocks clever upgrades to create a better build to counter their opponent.
Aeterna Noctis is a challenging metroidvania that majestically combines action, exploration and adventure. With 2 game modes and difficulty based on action or the exclusive Noctis mode where a level of difficulty is added in precision platforming never seen in the metroidvania genre.
PICO PARK is a cooperative local/online multiplay action puzzle game for 2-8 players.
Dream up the ultimate Minifigure brawlers and bash your way through all of your favorite LEGO® themes in the first team action brawler set in the LEGO universe. Play with friends at home or around the world and see how you stack up against the competition.
EXPLORE YOUR WAY. Awoken to a world ruined by war, Alma must traverse the vast city of Arcadia before the life force of her friends and herself withers away. Time is ticking, and every moment matters. Who will you save, and who will you leave to turn UNSIGHTED?
In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.