- Portrait artbook in pdf format (80 pages) with all the HD character portraits by Paco García.
- Original score of the game in 320kbps mp3 format by Stefano Rossi and Rubén Giménez (19 tracks / ~40 minutes).
To access this content:
1. Open the Steam client and find Nightmare Frames in your Library.
2. Right click on the game's name or icon, and choose "Manage" -> "Browse local files".
3. Find the PDF file and the OST in the "Portrait artbook & OST" folder.
