: High-quality digital sketches and development "papers" showing the game's design process.

This edition includes various collectible and artistic extras typically found in the game's "Extras" menu:

The "paper trail" in the game follows detective Amber as she investigates eleven mysterious deaths in Serpent Hill, continuing the work started by her late brother.

: Downloadable artwork based on the game's environments.

: Players can find and collect puzzle pieces and collectible cards throughout the investigation. Story Background