I bought this item a while ago as a replacement for my old-broken physical copy of Rollercoaster Tycoon 3 Platinum! What I got instead was a PAL disc (which isn’t a problem normally as they work in the states too) that was just a cheap Steam Installation Disc that REQUIRES Steam to run.
https://www.amazon.com/Rollercoaster-Tycoon-3-Platinum-Download/dp/B004APAEL6

