For me, it was definitely Magic that launched me into the world of gaming. If it weren't for MTG, I never would've made some of the friends I have today, or grown as strong of a connection to certain individuals that have turned out to be great friends to me now. Whether it was playing MTG casually at my friends house, or competitively at a tournament in the local store, playing MTG was what exposed me to the world of gaming, which eventually led to all the other aspects of gaming that I enjoy now, even more so than MTG at this point.
The most notable new game for me, of course, was D&D. I've only been playing it for about 2 years now, and since I've started, I feel that it's brought great entertainment and relaxation to my life; an escape, if you will. My friends back home, who were, and still are hardcore gamers would say that "they live in the the fantasy world, and play in the real world". It took me awhile to understand what that meant, but after living in the so-called "fantasy world" for awhile with them, I think I understand now. At least a little...