Blue Stinger (Japan) cheats and cheat codes for Dreamcast

All weapons:
Go to the options screen, then oress the following button 
combinations in order:

Hold R + L and press Y, B, Left, Right, B, Y 
or
Finish the game less than 5 hour.


Unlimited secret remote bombs (Japanese:
Go to the Blue Stinger title screen and press 
X, Y, A, R, Start, L, Start 

Heat-seeking ray gun:
Finish the game times

Mad mode:
Finish the game three times and save the cleared game to a VMU.

Swimmer mode:
Finish the game two times and save the cleared game to a VMU.

Lab card passcode 
Give Janean the passcode: 0513

Bonus money:
Type the following passcodes at Bank of Kimra:

Bank Card - Passcode - Amount

Bermud - 1394 - $6000
Eliot's - 3532 - $20
Kimra - 1008 - $4000
Yucatan - 1861 -  $5700