Years of neglect are eroding gaming history. Cartridges rot in garages, companies horde demos that they will never release, and obscure titles fade into the ether. Some games may even be lost forever. The biggest threat to game preservation is the degradation of physical media. Over time, game data and features literally die.
Update: Though I originally reviewed Resident Evil 7 on PS4 and PSVR, I've since had a chance to test the game on Xbox One and PC as well. Accordingly, additional information has been added to the bottom of this review. -- SB, 1/24/2016 We didn't know it at the time, but Resident Evil 4 was the beginning of the end.