Abandonware: The Horror Collection Steam CD Key

WHAT IS THIS? In early 2023, whilst walking our dogs, we found an internal 3.5" Hard Drive partially uncovered. After cleaning it up as best we can and plugging it in we found an almost entirely custom operating system with what look to be horror mini games. It was only when we started completing these games did we see new options appear and we began to get a little concerned. Reporting it to the authorities has yielded no results and so we're turning to you to help us uncover what on earth t...