My favorite is Marvel vs. Capcom 2. I played it on Sega Dreamcast more than 10 years ago and loved it. My friends and I were in college and we would miss class just to play that game. We also played WCW wrestling on Nintendo 64. I'm 32 and when I was 22 that's all I did all friggin day. It was fun. I wonder if I can even still find those systems and games again.