Murder, a forgotten past, and madness await. Navigate harrowing environments filled with challenging puzzles, realistic physics, and twisted enemies. Features Penumbra Overture - After receiving a letter from his estranged father, a man he thought dead, Philip heads to Greenland to discover just who... or what... sent the letter. Penumbra Black Plague - Trapped deep within the Greenland underground complex known as The Shelter, Philip must continue his search for his father as he fights to maintain his sanity. Requiem Expansion Pack - As Philip falls deeper into madness, he must keep his wits about him if he will ever be able to discover the origins behind his father's letter. Penumbra Collection Game Features

• Cutting-edge game engine featuring modern 3D and physics technologies.
• Puzzles that uses the physics gameplay in new and clever ways.
• Highly interactive environments lets you interact with any object not nailed.

transfer:	1.00GB game download
trial term:	60 minutes of gameplay, free.
cost:	$19.99 (USD) to unlock the game for unlimited play.
os:	Win 2000 / XP / Vista / 7
cpu:	Celeron II 1.0 GHz
memory:	256 MB
disk:	1.3 GB
video:	256MB nVidia GeForce 8600 Video Card