I remember putting loads of many in Karate Champ, the one with 2 joysticks, that was awesome. It also led to "The Way Of The Exploding Fist" on C64, another all time great!!!!

I also remember a game, not 100% on name but maybe "Shaolin Road", fantastic game, a little bit like Bruce Lee on C64 but with better graphics.

There are loads of others, but those 2 sprang immediately to mind.