An extremely challenging 2D Platformer made by a bunch of Jump King lovers: breach the sky, or torture yourself, with spring and gravity. Can also be played with your friends, either for a race or for co-op.
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No game lists Spiral Up as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Catverse is a 2D platform climbing game where 1-4 players become a cat's brain cells and control it together. The combination of lights in the rooms of its mind IS its action! Sync up with friends to climb to the Cosmos at the top, or run solo and take on this week's Ranked leaderboard.
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Fight. Loot. Die. Repeat. Begin your plight into this 2D rogue-lite, and try to survive. Battle enemies, bosses, charge orbs, enter portals, and try to make it farther than last time, uncovering new items, challenges, and secrets. Adventure alone or with up to 3 other friends in co-op.
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Trees Adventure is a 2D side-view platformer where in single player you control two characters at once, and in online or local co-op each player controls their own character
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Two Cubes is an Online Co-Op platformer where players can only touch their colour! The game requires 2 players who own the game to play!
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"COROCONNECT" is a multiplayer-only action game where teamwork is key. Players use various gimmicks to tackle different stages. Synchronized cooperation is essential for success! Team up with friends or online players to clear all the stages!
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Two balls of wool, one thread, one big adventure! Jump, swing and puzzle your way together through more than 50 interwoven levels — in co-op or multiplayer.
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A fast-paced arcade platformer where platforms vanish behind you. Collect coins, upgrade your runner, and customize your character with your own 32x32 sprites. Three difficulties. Multiple game modes. How far can you run?
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The retro magic of the NES-era has returned! 99 tough stages will recall the feeling of childhood days. Be careful when playing Virus Crashers, and don't get too addicted!
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Project Zero Deaths is a hectic physics-based F2P online multiplayer platform shooter. Jump into frantic battles in dynamic maps, solo or with friends, to fight in varied wild game modes! Choose between different characters with unique skills and customize them and their weapons to your own playstyle!
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『Anidu: Animal Doll's Adventure』 is a cooperative adventure game about animal dolls' adventures in the world. Use all kinds of superpowers given to each doll to explore by solving puzzles.
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