In a simple aquatic environment, players take on the role of a crab or fish, navigating a small underwater world. The core gameplay involves moving the creature around the screen, interacting with surroundings, and collecting items.
The primary objective of playing Crab & Fish is to accumulate points by collecting all the visible items on the screen. The game does not require registration or downloads, and it can be played directly in the browser. The challenge lies in successfully navigating the tiny space to gather all items and earn points.