The PENUMBRA Collection includes three titles from the Penumbra Series, specifically Black Plague, Requiem, and Overture. Released in 2008 by Paradox Interactive, this action and adventure game is rated M for Mature audiences. The PC DVD-Rom version allows players to delve into a dark and immersive world filled with mystery and intrigue. With its unique storyline and immersive gameplay, this collection is sure to provide hours of entertainment for fans of the genre.