Historical 'TOCA Touring Car Championship' (Playstation 1) was the first game to use real 3D (and geo-related) GIS data (Landline dataset back then) for landscaping the tracks from GB Ordnance Survey. So every bump and turn was more real than fictional based tracks.
http://en.wikipedia.org/wiki/TOCA_Touring_Car_Championship [but NOT Lavaland (bonus track)]
Recently Google Maps API is becoming more useful for game developers....
Travel Game using Google Maps API http://googlegeodevelopers.blogspot.com/2011/05/travel-game-google-earth-is-your.html