Idle Sea Tycoon is an idle tycoon simulator game to discover Jurassic ocean species and coral reef fishes.

You can get your pet underwater fishes to work, collect golds and build your virtual mining world of ocean species. Collect different species, make them bigger and stronger to fight opponents.

Mine underwater gold, make money and build an empire to become the richest capitalist billionaire.


Features:
- Interact with your pet underwater fishes to make them work or level up to train them to work automatically
- Get idle coins, even when you are offline
- Fight in battle arena at different underwater worlds