I mostly said Super Mario World because of that one really annoying part on chocolate island where I nearly gave up on the game for like a year because I kept completing this one level and it wouldn't let me go any further and I just kept running in circles on the map.
Gotta go with the NES version, the game got hard as you progressed but what pisses me off was that the NES system itself had that nasty knack of just cutting the game off and going on and off with that red blinking light when you had progressed so far into the game, lol, i swear frustration had never felt so bad, haha! >_<
LMAO, really? Well i've never relied on games to teach me education-wise however, i will admit that there are certain things games have taught me (unbelievably)...i actually learnt how to play gambling games like Poker, Black Jack & Liar's Dice from playing too much Grand Theft Auto and Red Dead Redemption, lol! XD