Earlier quoted context omitted.
And even games not all that old. I'm currently replaying Fallout 3 (from 2008) just fine under Wine. It really is amazingly smooth -- almost as if it were a native game.
2008 is literally 9 years old, all the current day titles I look up are basically rated "Garbage". I think this will improve though as the move to Vulcan and DX12 should make porting easier as the APIs are more similar I believe. The most recent big name thing I could find was WoW - which, while originally from 2003(?) is actively updated and has had some pretty substantial graphical improvements in more recent expan…
The only issue is that on exit to desktop the game hangs and needs to be manually killed.
The new DX11-only re-release doesn't work though.