What is your favourite CHEAT for a videogame?

[Words Of Wisdom]

thekitchensink said:
@WordsofWisdom: You didn't tell us what game yours was for XD

Oh, and killing Missingno in Pokemon Red to get infinite rare candies and Master Balls

O.o

You can't tell?  It's Earthworm Jim 2.  Shame on you for not recognizing it immediately.  ^_^