Frictional Games
Penumbra
Jul 4, 2006 · PC
ReleaseJul 4, 2006
PlatformsPC
Release dates
PC (Windows)Jul 4, 2006Out nowOut now
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.