Until relatively recently, I was unaware that there existed special versions of these well-known games.
Crossfire PCjr. Disk Version :
https://www.youtube.com/watch?v=rRl5crvH-FI
http://www.pixelatedarcade.com/games/crossfire/coverart
Uses 16-colors and 3-voice sound
Wizard and the Princess (released as Adventure in Serenia for the IBM PC) :
http://www.pixelatedimages.com/mobygame ... ncess1.jpg
http://www.pixelatedarcade.com/games/hi ... s/coverart
Uses 16-color graphics