Frictional Games has released a new trailer from
Penumbra: Overture, showcasing the upcoming commercial version of
Penumbra scheduled for March 30th. The game will feature major updates in both gameplay and graphics. Gameplay additions include a melee combat system, greatly improved AI and more stable physics, whicle graphics additions refer to full real-time lighting, motion blur, depth of field and advanced fogging. A playable demo can be found
here.