This is something we have done from time to time; pulling out an old game and dusting it off, like the original Quake. This Youtuber takes the time to go through a few of our old favorites and sees if he can actually run these games today at a 4K resolution. His takeaway is that many 20 year of games are still doable today. The big hits are in-game UI not scaling well and causing playability issues. Maybe it is time to fire up Crysis at 4K on the 48" display? Check out the video.