Super Smash Bros N64 - I would love to vote for Sears here but Smash Bros is just such a big part of my childhood gaming life that I have to vote for it. So many memories of this game, it's even why I have the username I do.
M&M's Christmas
--
http://img.photobucket.com/albums/v294/TheLastStriderX/The-X-Team/Tum.jpg