During the game type 'goldfish' and press ENTER to
enter cheat mode, then press:
'1' - makes you invulnerable
'2' - transport you to the end of the level
'3' - Transport you to the end of the world
Just type STRETLAMP (could be STREETLAMP)
at the options screen and press:
Grey + Next level.
Grey - Previus level.
2 Life loss.
4 Restart level.