Zool - Ninja of the "Nth" Dimension

When "Push Fire to Start" appears on screen, type "GOLDFISH". Now you can use these keys:
F2-F5 - Jump to the respective level of a world
1 - Makes Zool invincible
2 - Jump to next section
3 - Jump to next level
4 - Removes invincibility

Typing the following shows messages:
"ADE", "TONY", "GEORGE", "GREGGS", "PAT", "SIZ", "SYD", "CASSON", "SHORTIE", "MICK", "PAUL", "RITCHIE", "ASH", "MARK", "BERNI" and "HILEY".

To reach a bonus zone in level 2-2, play these notes on the first piano:
Brown, Yellow, Red, Orange and Green.