1UP is celebrating the twentieth anniversary of the Nintendo Entertainment System this week with a retrospective of the console's highs and lows. What caught my eye about the series, however, is the sidebar of today's installment. It's screenshots and simple labels. That's it. Just screenshots. No words on why these particular games are on display, no explanations of what makes these particular games worth showcasing. That's the power of some of these seemingly simple games. Super Mario Bros., Castlevania, Metroid, Mega Man, The Legend of Zelda, and their brethren are so iconic that they need no description or explanation. Sometimes a simple screenshot just says it all.