Penumbra Overture ⚡ No Sign-up

Essential for navigating the dark tunnels of Shaft 13. Notebook: Used to record the code once you've revealed it.

Open your inventory, select the "Blank Note," and use it while standing under the UV light. Penumbra Overture

Detailed walkthroughs for these sections are available on GameFAQs and the Penumbra Wiki . Essential for navigating the dark tunnels of Shaft 13

Inside the office/storage room, there is a switch on the wall that turns on a purple UV light. select the "Blank Note