It looks like Pewds is lost in the Mount Massive Asylum, and all he has are his wits, his camera and his batteries.
This fanart is based off of Pewdiepie's Outlast play through.
Great horror game, I think it's scarier than Amnesia. I recommend it.
Edit: I went ahead and redid his face to make him actually look scarred, added some more shading and finer details. I hope Felix likes it.