Frictional Games re-releases Penumbra horror series for $5

Frictional Games has announced a re-release of their Penumbra Series for Mac and Linux. All three Penumbra games—Overture, Black Plague and the Requiem expansion—will be available tomorrow as a single download with a single installer. Even better, on launch weekend (July 17th-19th), Mac and Linux users can get all three games for $5.