Where to get it
About
Penumbra is a tech demo made by Frictional Games to show off the power of the HPL engine, released on July 4, 2006 for free.
Ways to play
Modes
Single player
Perspective
First person
Engine
HPL Engine
Reader ratings
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Facts
Developer
Released
4 July 2006
Platforms
PC (Microsoft Windows)
Standing
Top 89% by want to play
Game and studio data from IGDB, with release information from Steam, PlayStation, Xbox and Nintendo.