Did you buy Prey on Steam? Not the 2017 version from Arkane and Bethedsa: I'm talking about the 2006 version from Human Head Studios and 2K Games. If you didn't and want to now, you can't—the original Prey was quietly removed from Steam a few years ago. If you own it, you should still be able to play it, and if you can find a physical copy or a online key-seller you may even be able to register a CD code with Steam. But you can't buy it on Steam anymore.
Prey isn't alone: games vanish from Steam all the time. Sometimes they reappear later, but other times they're just plain gone—and this can happen for all sorts of different reasons including expired music rights, trademark disputes, exclusivity deals, fake review scams, shady developer practices, and more. Here's 16 weird reasons games disappear from Steam.
