Penumbra is the name of a video game series by developer Frictional Games, published by Lexicon Entertainment and Paradox Interactive. The games use the HPL Engine, initially developed as a tech demo. Penumbra is notable for its horror styling and for allowing advanced physical interaction with the game environment.
Besides the original tech demo, the series comprises:
- Penumbra: Overture - Windows, Mac OS X, Linux (2007)
- Penumbra: Black Plague - Windows, Mac OS X, Linux (2008)
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