[Guybrush]

I used to love those games, especially the Commander Keen series. I checked and id Software is still selling the entire series along with all of their other classic games.

http://www.idsoftware.com/store/index.php?view=vintage

Jill of the Jungle is still being sold as well, though Epic's prices are ridiculous.

http://www.epicclassics.com/orderform.html