In the 1980s, few things were extreme. Maybe traffic in Los Angeles and jalapeno peppers, but that was it. Now that everything and its tattooed dog are Xtreme, Nintendo has rereleased the granddaddy of high-flying, knee-scraping, body-tumbling racing games: Excitebike. You can have a dirt-track date with high-revving racing thanks to the NES Classics series.