I know some of the Tomb Raider games have real world locations in them. Can't be bothered to get specifics, but I know there were some in Tomb Raider 3 and Underworld.The S.T.A.L.K.E.R. series take real locations from Chernobyl which they mix with fictionous locations.As said, Alan Wake has several real world locations. This I can comment on since I live directly where Alan Wake is based off of and had been to several of the places before the game released.The crater lake and cauldron lake comparison was already made, but here's a few more:There is a Dam in Washington the one in Alan Wake is based off of.Alan Wake Diner:Real Life Version (also used in Twin Peaks):Alan Wake Harbor:Washington Crab & Seafood Warehouse in Ilwaco, WA:Alan Wake Ranger Lookout Station:Red Top Lookout in Cle Elum, WA:Alan Wake Lighthouse:North Head Lighthouse:Alan Wake Powerplant:Gorge Powerhouse in Newhalem, WA:(and I can't find a better comparison of this last one, but I'll post what I have)Hartman's Lodge in Alan Wake:Timberline Lodge in Oregon: