Sega Marine Fishing - Platform: Dreamcast

Hideaway of Big Fish stage: 
---------------------------
Succesfully complete arcade mode once to unlock the 
Hideaway of Big Fish stage in original mode under 
the free fishing option. 

Fishing Port stage: 
-------------------
Succesfully complete arcade mode twice to unlock the 
Fishing Port stage in original mode under the free 
fishing option. 

Dogtooth Tunas: 
---------------
Succesfully complete arcade mode three times to make 
the Dogtooth Tunas cacheable in the Fishing Port 
stage. 

Napoleon Fish: 
--------------
Succesfully complete arcade mode four times to make 
the Napoleon Fish cacheable in the Corel Reef.