Often bundled in the "Penumbra Collectors Pack" for under $2 during sales.
The Gold Edition includes , which is a series of abstract puzzle chambers. It’s less "horror" and more "Portal-style" logic. Penumbra: Black Plague Gold Edition Free Download
Getting your hands on Penumbra: Black Plague Gold Edition —which includes both the main game and the Requiem expansion—is a great move if you’re a fan of atmospheric horror and physics-based puzzles. Often bundled in the "Penumbra Collectors Pack" for