Succesfully complete arcade mode once to unlock the Hideaway of Big Fish stage in original mode under the free fishing option.
Succesfully complete arcade mode twice to unlock the Fishing Port stage in original mode under the free fishing option.
Succesfully complete arcade mode three times to make the Dogtooth Tunas cacheable in the Fishing Port stage.
Succesfully complete arcade mode four times to make the Napoleon Fish cacheable in the Corel Reef.
