Bubble Bobble cheats and cheat codes for Playstation

Activate Debug mode
Press Down, Up, Down, Up, Right, Down, Left, Down, Up, Down at the 
title screen.

Debug menu
Activate debug mode. During the game play, push R2 to bring up or 
push R1 to hide the debug menu. The debug menu displays the map 
number, Bub's and Bob's lives.

Skip stages:
Activate debug mode. During the game play, push L1 or R1 to skip to 
the previous or to the next level.

Play with the original version
Press Right, Left, Up, Down, Up, Down, Up at the title screen. 
Tthe original version of the game allows you to enter the diamond
rooms at stage 20, 30 and 40.

Different bonus effects
Input any of the following initials on the hi-score board, then
start another game. You will see the new effects, when certain 
bonuses are collected while playing:

I.F
KIM
KTT
LSD
MTJ
NSO
SEX
STR
TAK
YSH


Bubble Bobble Game Shark Codes:

Unlimited Credits                 
80176B30 0009

Unlimited Lives Player 2                
80176A98 0003
80176A9C 0100
30176AB0 0000

Unlimited Lives Player 1                
80176AC8 0005
80176ACC 0100
30176AE0 0000
            
Player 1 Special of The Bobble         
80176ACE 0129
            
Player 1 Special of The Bobble in Fire 
80176ACE 011F
            
Player 2 Special of The Bobble         
80176A9E 0129
            
Player 2 Special of The Bobble in Fire 
80176A9E 011F
 
          
Rainbow Islands                  

Unlimited Credits                 
8005D3E6 0009
  
Unlimited Lives Player 1                
8005DC3A 0003