About
Mukimuki Nyankos is a 3D party game about cats training in a gym. Up to eight players compete to gain muscle through exercise minigames, disrupt rivals and grow into giants before the in-game clock reaches 11 p.m. It includes three gyms, random events, a cooperative season mode, proximity voice chat and solo play against bots.
What is happening now
Mukimuki Nyankos is a chaotic multiplayer arcade game where players train kittens into oversized cats within a gym setting filled with random obstacles and hazards. The core loop involves building up your cat's stats while sabotaging opponents' progress and navigating environmental disasters. The game supports up to eight players, emphasizing competitive mayhem over skill-based progression. The title is arriving on Steam November 27, 2026. Beyond the announcement of its Steam storefront, coverage has focused on the game's absurdist premise and party-game appeal - the blend of training mechanics with destructive multiplayer chaos appears to be its main draw for players seeking lighthearted, unpredictable competition.
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Media
Releases
Earliest full release on each platform; regional dates can differ.
PC and Steam Deck
Steam store pageRequirements and Deck status as listed on Steam, checked Nov 4, 2026.