Rated 93% on Steam, one of PC's most vicious horror games is going to get harder

Dealing with one ruthless Prime Asset in The Outlast Trials is already a challenge, but the co-op survival horror's latest addition will seriously put players through their paces. Developer Red Barrels has revealed that sadistic twins Otto and Arora Kress will arrive with Season 4: Project Diarchy, and they'll be nearly impossible to hide from.

MORE FROM PCGAMESN: Best horror games, Best survival, Best co-op games