Steam start to be dangerous!

[PixLab]

If you have Steam on Linux, you can think that games made for the Microsoft's Windows won't work on Linux if they don't have the Steam icon, at least that's what I thought...
Then I came by this website > https://www.protondb.com where people gave their experience and trial on how to make a Windows specific game works on Linux choosing in Steam which Proton to use.

Long time ago I was addicted to a game called "Defense Grid: The Awakening" when I was on macOSX (not via the steam platform, though), and I always saw that it was only for Windows on Steam (no Steam icon).
On protondb.com a guy on Ubuntu set Steam to use proton 4.2 and said it was working like a charm, thus I get it a try and bought that game (Steam give you back the money if you ask them and explaining why).

Jeezzzz. what did I do?!?! My addiction to this game get back , and yes it's working like a charm setting Steam to use proton 4.2 for this game.

Now knowing this website (protondb), I'm scared to search a game for the Microsoft's Windows OS, cause now I'm almost sure someone found out a solution to make it work on Linux