Breathe In, Breathe Out

 is the 63rd level in Splatoon 3's story mode, Return of the Mammalians.

Description
This mission consists of a set of twenty-seven moving platforms arranged in a cube that regularly expand and contract from the center of the stage, requiring the player to climb from the bottom to the top. On the second and third layers of the cube, the player must defeat every Octarian on that layer to open the path upward.