I have always preferred to play my PC games with a controller. It is so awesome that Steam not only supports all of these, but allow for for so much in-depth customization.
How to Fix Steam Not Detecting Controller? [5 Simple Ways]
Steam Link not recognizing controllers in game
Steam Community :: Guide :: Controller Not Working Fix
Steam Controller - Wikipedia
What the Steam Controller tells us about the way Valve works | Games | The Guardian
Controller Isn't Working in the Game – Parsec
Valve reveals just how many PC gamers plug in gamepads—and which kinds | Ars Technica
Stadia Controller on Steam: Change these settings to make it work
How To Get Your Controller/Gamepad Detected On Steam Games (Blasphemous) Fixed/Solved! - YouTube
Steam Community :: Guide :: Controller Not Working Fix