Diablo I and II
SimCity 2000/3000/4
Command and Conquer (ALL of them except C&C4)
Minecraft
Europa Universalis III
Counter-Strike
Age of Empires I and II
Battlefield 1942
Special mention: Death Gate, a point-and-click adventure game based on the novel series of the same name. I think it came out in '94; really good story and fantastic artwork and voice work, even by today's standards. I still play it once every couple years.