We aren't talking about just the 1,300-ish North American titles. We are talking about:
Let's address the elephant in the room. Downloading a of 1,300 games when you own a physical collection of 10 games is, technically, copyright infringement.
When downloading or organizing your set, the file format matters for compatibility. 1. BIN/CUE
: The gold standard for modern emulation. It offers significant compression without losing data, often reducing file sizes by 35-45% .