Bubble Bobble

GameTip:
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Submitted by: Enigma Question
Email: tbcat2001@yahoo.com.ar
If you pass the screens 10, 20, 30 and 40 without
losing any life, a door to a secret level will appear
In the screens 7 and 22, you wait for some seconds
and you will be transferred to other levels
CheatMode:
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Press [Left] [Right] [Up] [Down] [Left] [Right] [Up] [Down]
at the main menu with the “Start”, “Options”, and “Quit”
options.
Then type in the following codes during gameplay:
[F3] - Level skip
[F4] - Player one extra life
[F5] - Player one unlimited lives
[F6] - Jump to level 98
Press [Right] [Left] [Up] [Down] [Up] [Down] [Up] at the main
menu with the “Start”, “Options”, and “Quit” options and the
diamond rooms will be accessible even if a life is
lost during game play.
Press [Up] [Down] [Up] [Down] [Up] [Right] [Down] [Left]
[Down] [Up] [Down] at the main menu with the “Start”, “Options”,
and “Quit” options and Shoes and yellow gum are unlimited.