Fish Tycoon (USA) (日本語名：フィッシュタイクーン) is a game developed by Last Day of Work, LLC and published by Eidos Interactive. It is a business simulation game where players are tasked with breeding and selling fish in order to make a profit. Players must take care of their fish by providing a healthy environment and food, as well as curing them of diseases. The game also features a variety of mini-games, such as fishing and decorating the tank. As players progress, they can unlock new fish types, decorations, items, and more. The game also features a tank editor, allowing players to customize their tanks to their liking. Fish Tycoon has a wide variety of fish available, and with the colorful graphics and fun gameplay, it is a great game for all ages.