What's the best game you went into completely blind , having no idea what it's about?

One aspect I miss about gaming from when I was younger was just buying games at the shop without having ever heard of them before

The best experience had to have been Fallout 3, I had 0 idea what kind of game it was, being able to choose dialogue, kill everyone (pretty much), starting as a baby then leaving the vault into this huge open world was mind blowing

New Vegas is now my favorite Fallout game but 3 will always hold a special place in my heart for this reason