It sounds like your PC is broken as the vast majority of games from even the late 90's and 2000's (let alone the recent 2010's) play absolutely fine. If they were "unplayable" as you claim, GOG & Steam wouldn't sell them. Deus Ex Human Revolution (2011)? Works great. Dishonored 1 (2012)? Absolutely flawless. Graphics of older titles may obviously be less detailed than today but that's a completely different thing to "everything more than 9 years old is completely unplayable" and the truth is FPS's have hardly changed at all since the mid 2000's. I replayed Bioshock 1 (2007) last week. Works fine. The week before? Thief The Dark Project (1998) in Ultrawide. Better than ever. Might want to get someone to take a look at your PC...If Skyrim and Bio Infinite are "most games" then sure.