First up,

1) Streets Of Rage 2 (Genisis) Vs. Street Fighter 2. (Genisis and Snes)
2) Sonic (Master system) Vs. Mario (Nes)
3) Chrono Trigger (Snes) Vs. Shining Force (Genisis)
4) Gunstar Heros (Genisis) Vs. Contra (Snes)

How to answer.. I'll give you an example of how to answer with my list first off. Just answer which is your favorite games out of the two battling. For example.......

1) Streets Of Rage 2
2) Sonic
3) Chrono Trigger
4) Gunstar Heros.

Just thought this might be interesting.

Well, only one thing left to say now......

Ready?

FIGHT!!