Don't mind me, guys, but I'm gonna drag this thread back on topic for a second...
Welcome Golgo13 - I'm a newb here myself, but I thought I'd respond by adding a couple of favorite side-scrolling beat-em-ups that I particularly love on the TG16: Ninja Spirit and Splatterhouse are two excellent games, imho, and would make a nice addition to anyone's collection... Other faves of mine include the aforementioned Military Madness and Air Zonk, and the cute but endlessly challenging Chew Man Fu.
Oh, and Aero Blasters is a pretty decent side-scrolling shooter, too...