Good Old Games is offering the popular strategy game Empire Earth free until 10.59 GMT (02-59PST) on December 14.All you have to do is sign up for a free account here, and you can download the game immediately, DRM free.
The game hails from 2001, but still holds up as an engrossing strategy title today, even if it is aging graphically. You have to guide your population through 500,000 years of history, so you can't argue with the scope of Empire Earth - it's huge.
GOG is a site that offers old PC games, made compatible with modern Windows PCs. Its catalog goes right back to Ultima and Zork from the 80s, although it's far from a complete history of PC gaming at the moment.
Which games from the past would you like to see resurrected?