According to , the build includes all the main Horizon Forbidden West content, though some art assets are missing. Screenshots and videos from what's said to be the of the game emerged on social media on Monday. Many of those were later from Twitter due to reports submitted by the copyright holder, which suggests the leak is legit.
Though it appears Sony Interactive Entertainment has clamped down on the leaks and the build doesn't seem to have popped up on filesharing sites, it's bound to be another frustrating incident for the company. Months before The Last of Us Part II was released, a large portion of the game, including cutscenes with major story spoilers, .
So, if you're one of the many fans who's looking forward to the sequel, it's best to tread very carefully on the internet for the next month or so. It might be worth muting certain keywords related to Horizon Forbidden West on social media or even to help you steer clear of spoilers.