The narrative centers on four distinct aquatic companions—a Goldfish, a Pufferfish, a Piranha, and a Flying Fish—who embark on a journey to reunite in the ocean. Each level involves navigating treacherous human environments in Barnardshire, England, often while trapped in fragile containers like fishbowls, buckets, or jars. Gameplay Features

: Players must navigate through houses, sewers, and busy streets, using physics to roll their bowls across rooftops or swim through industrial drains.

: Each fish has a specific mechanic: the Goldfish is an all-rounder, the Pufferfish can roll and inflate, the Piranha can bite and latch onto objects, and the Flying Fish can glide through the air.

: The game is known for its "fishes-out-of-water" difficulty, requiring precise controls to avoid breaking the bowl or suffocating.