Aim of the game is to increase our fish size escaping from the enemy fish.
1) Click any where in the aquarium to move the fish.
2) Eat small fishes to grow the size of your fish.
3) Don't get eaten by your enemy fish.
4) If you get eaten,press space bar to bring your fish back.
5) You have 3chances.
6) If chances are over game is over.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.