The lowest floor of Pozzo di Pesci has flooded, and Tux will have to take a dive to collect all the fish. Thankfully the level also contains a new hat to prevent him from running out of oxygen.

Use WASD to swim in the horizontal plane, Space and Alt to swim up and down, and the Shift key to dash forward.

The January 23rd followup restores an unintended change in the Ice Spell particles.