Hello Kitty World (NES) question

[ragemanchoo]

LOL I know I know.. Its actually basically Balloon Kid from Gameboy.

The site's code ( SLNNNKSO ) for invincibility doesn't let you get balloons, the ones that hang in the air and help you get extra lives, goodies, etc. Also, your floatation balloons still pop if you accidentally hit a spiked ceiling. Are there any other invicibility codes out there for the game?

Thanks,
Ryan