All that you have to do is answer 5 weird questions that have even weirder answers, which enters you in the contest. Right here! I don't know who designed this quiz, but honestly, the answers are all annoying. It's clear that Nintendo is trying to get a sense of how its fans use "media" but man. Those answers.
Still, it takes less than a minute, so it's worth taking your shot.
"Open to individuals who are located in and legal residents of the 50 United States, District of Columbia or Canada (excluding Quebec), who are at least 13 years old at time of entry."