Fluidity: Spin Cycle, known as Hydroventure: Spin Cycle in Europe and Oceania, is a physics puzzle game developed by Curve Studios and published by Nintendo exclusively for the Nintendo 3DS eShop. The game is a sequel to the WiiWare game Fluidity, the latter of which focuses on controlling a small body of water that is utilized in its different states of matter to progress through the game's levels. Fluidity: Spin Cycle was released in North America on December 27, 2012 and in Europe on December 13, 2012.