unfortunatly eventually your computer will die and you will need a Windows version of some sort to play some of the windows games. At least currently.
Linux gaming is getting better but when you have modding tools and such (created by individuals) it is usually created using Windows enviroment and doesn't tranfer well to Linux. At least not all the time.
With Steam making a console now, and the Steam deck, It is my hope that gaming companies see the value in having games that run in Linux. This combined with free tools being constantly developed that they can use wiwthout restriction. Hopefully, the game producers will move to wards Linux