On the map screen type "DONTPANIC" and use the following keys while
on the map screen:
'A'______________________Gives you all power ups.
'Q'____________________________Adds stars to you.
'W'_____________________Subtracts stars from you.
'F5'____________________Adds lives to your stock.
'F6'_____________Subtracts lives from your stock.
'F7'______________________Add gems to your stock.
'F8'_______________Subtract gems from your stock.
'F9'_____________________Add bombs to your stock.
'F10'_____________Subtract bombs from your stock.
'F1-F4'______________Jump to corresponding level.
'1-7'______________Warp around the current world.
Use the following keys during the platform sections:
'F1'_______________Turns you in to the fire ball.
'F2'__________________________Gives you a shield.
'F3'__________________________Gives you a shield.
On level one, when you come to the first teleporter, keep going
right, until you find the the first ladder. Go up to it and get a
blue flag - it has loads of gems, lives and hit points, so you can
keep going until you have thousands of stars and 99 lives.
The following didn't work on my version:
Pause the game and slowly type any of the following:
"COOL JUMP NUT"_____________________For infinite lives
"OCEANSOFT"____________To activate the following keys:
'SPACE'_________________________________To skip levels