Various cheats:

Code                    Effect
ALLDLAKES               All Lakes 
ALLDCASH                Extra Money 
WHATADRAG               Slow Boat 
HYPERBOAT               Fast Boat 
RUBADUBDUB              Bath Tub Boat 
BAGDSNAGS               No Snags While Fishing 
SUPERSTRING             Unbreakable Line 
MONDOFISH               Large Fish 
WHEREDFISH              Less Fish 
SUPERLURE               Easy To Catch Fish 
HAPPYFISH               Fish More Active 
FISHMAN                 Catch a Linder 
NOPENALTY               No Penaltys During Tournament 
IWINIWIN                Win Current Tournament 
SILLYSOUND              New Silly Sound