289 2D · Platformer games your group can play together online, including Toodee and Topdee, Monster Sanctuary, and Samurai GUNN 2.
All games: 24
A cosmic turbulence caused the 2D Platformer and the Top-Down Puzzler dimensions to merge! Switch between Toodee and Topdee and their unique perspectives to overcome hard-as-nails challenges, solve mind-melting puzzles and defeat huge bosses.
Monster taming meets metroidvania. Collect, train and battle monsters in a lovely side-scroller pixel world.
Lock in! Samurai GUNN 2 is a bloody and brutally fast platform fighter for players who like short rounds and intense action. Free Edition out now!
Spelunky 2 builds upon the unique, randomized challenges that made the original a roguelike classic, offering a huge adventure designed to satisfy players old and new. Meet the next generation of explorers as they find themselves on the Moon, searching for treasure and missing family.
Want to play the hardest cooperative 2D platformer ever? Want to finish no map ever? Want to be in pain for hours and cry, getting nothing in return? Come play DDNet with a large community of other sufferers!
Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD.
Become a King (or Queen) at making levels! Join a community designed around level creation and online play. The level editor is simple to use and lets you create anything, even living creatures!
A roguelite action platformer in a vibrant glitch-ridden world. Amass a huge arsenal from over 150 weapon options and face hordes of enemies and tough boss fights. Jump into multiplayer (up to 4 player co-op online or local) to collect, unlock, and upgrade for endless replayability.
When you cut ties to the past, new bonds form. Build relationships with other Yarnys in local co-op or as a single player, fostering friendship and support as you journey together.
Koji Igarashi and Inti Creates are back with more retro sword-and-whip action! Curse of the Moon 2 brings classic 2D action and a dark, 8-bit aesthetic together with modern playability.
Shoot your way through the pages of an ever-changing comic book in this fast-paced roguelike. Play solo, in local or online co-op, expand your weaponry, and upgrade your hero with each run. All that to find out why has your creator lost his faith in you and to prove him wrong.
Deliver those goods, real good - or get turned into scrap trying! Chaotic co-op platforming, genre-bending power-ups, a challenging campaign, and endless community-built levels await, so grab a friend and GO!
Mega Man Zero/ZX Legacy Collection brings together six classic titles in one game: Mega Man Zero 1, 2, 3 and 4, as well as Mega Man ZX and ZX Advent. The collection also features Z-Chaser, an exclusive new mode created just for this set of games.
Bloodstained: Ritual of the Night is an exploration-focused, side-scroller action RPG by Koji Igarashi. Play as Miriam, an orphan scarred by an alchemist's curse that slowly crystallizes her body. Battle through a demon-infested castle and defeat its master to save yourself, and all of humanity!
Dragon Marked For Death is a 2D side-scrolling action RPG game where up to 4 players can play together in online multiplayer. The characters, known as the Dragonblood Clan, have forged a pact with the Astral Dragon, which granted them special new powers.
Heave Ho is a riotous multiplayer party game for up to four players in couch co-op and versus play, or online with Steam Remote Play. Reach out, get a grip, and swing to victory — or meet your messy end!
Shovel Knight is a sweeping classic action-adventure game with awesome gameplay, memorable characters, and an 8-bit retro aesthetic. If you love games with perfect platforming, beautiful art, infectious music, lovable bosses, humor and levity, and real heart… Shovel Knight is for you!
I Wanna Be The Creator是一款可以自制关卡的IWBTG同人游戏，在里面你可以体验到各种千奇百怪的关卡，同样也可以创作出属于你自己的关卡。
Roof Rage is a Martial Arts Platform Fighter featuring epic rooftop battles. Play with up to 8 players locally or 1vs1 online.
Pikuniku is an absurdly wonderful puzzle-exploration game that takes place in a strange but playful world where not everything is as happy as it seems. Help peculiar characters overcome struggles, uncover a deep state conspiracy, and start a little revolution in this delightful dystopian adventure!
Mutant scum never learn! Blaster Master Zero makes its Steam debut! Blaster Master Zero is a 8-bit style top-down & sideview 2D action-adventure game that hearkens back to the golden age of the NES. The game features new gameplay elements such as improved gameplay, and a more robust scenario.
In Blazing Chrome, bring your best pal and kick some metal butts to free the humankind while enjoying a classic run’n’gun, fully loaded with action and exciting fights!
Killer Queen Black is a fast-paced, team-based action strategy game where two teams battle for victory in a frantic arcade arena. Coordinate with your queen and workers to outmaneuver the enemy, riding snails, collecting berries, and fighting for military dominance across multiple win conditions.
Superfighters Deluxe is a unique action game that combines brawling, shooting and platforming in dynamic sandboxy 2D levels. Lots of weapons and fun gameplay systems interlock to create absurd action-movie chaos.