Here’s a screenshot of my ‘Game Collector’ showcase. I’ve had this account since 2013 and most of this is from Humble Bundle, but a lot of quality games.
I did start going the way of GoG though! I have 154 games on there (most of them coming from being subscribed to Amazon and collecting the free GoG games). But my first deliberate purchases from there were Quake III: Arena and Cyberpunk 2077.
My categories are letters. Otherwise I don’t know how to sort all of my games. 
I added Star Wars Jedi Fallen Order Deluxe Edition to my steam collection. I already owned the standard game (for free thx to amazon prime gaming) on origin/ea app. But i couldn’t resist the little price for the deluxe version + i wanted that game in my steam library.
Edit: It seems all my achievements from the EA app are transferred over to steam! That’s great! Thought i had to start over, even saves are transferred over.
The Mafia series is excellent. I didn’t have the time to play the latest part, yet (Maifa: The old country). But that’s definitely on my wishlist 
