Marble Drop (1997) Developed & Published by Maxis
Sold here:
http://www.classicgamingpresents.com/catal...CFQTmlAod0XKvaA
Marble Madness (1986) Developed by Atari Games & Published by Electronic Arts
Sold at Cdacces:
http://www.cdaccess.com/html/pc/ataric2.htm