My favorite game was medical mystery. It taught you about different kinds of pathogens, and how to fight them. It was fun and educational. The graphix were very cool. They stood out in the game. I really did enjoy medical mystery. To play more mystery games  visit this link:  http://www.bigfishgames.com/download-games/genres/27/mystery.html?channel=sem&identifier=g4991256262&afcode=af3189dbeebd&src=bfg12y09engsmyga&v1=usgoogl&v2=smyga&WT.srch=1&kw=mystery%20games&adid=4991256262&gclid=CPfW97DzuaQCFd9n5QodxUWGzgdxUWGzg