What do I got?

So my brother used to play the ps2, I found some old games he left behind. A few still have the manuals and a couple even have the original receipts. I was wondering if any of these were worth anything.

So my brother used to play the ps2, I found some old games he left behind. A few still have the manuals and a couple even have the original receipts. I was wondering if any of these were worth anything.