What are some Self-imposed gaming challenges that you have tried?

[happydolphin]

Walkthrublazer3 said:

Super Mario Bros. - Beat all 32 levels without getting hit.

Zelda II the Adventure of Link - Completed a 100% no death run of the game. ( I didn't use the dark link battle glitch either )

                                                             -Completed the game and only leveled magic and attack( you have to hit hard and fast since you'll be killed in a hit or two )

                                                             - Completed the game and only leveled up life and attack

                                                            - Completed the game and only leveled up magic and life ( IMO the hardest due to the fact that it takes forever to kill the later bosses, I'm looking at you Thunderbird. )

Agggh??