On the Rain-Slick Precipice of Darkness/Collectibles

These collectibles are bonus items found through the course of the game, that have no impact on the progression of the story, although the Xbox 360 version has an achievement for collecting all of them.

Concept Art
Production and promotional artwork of the characters and locations from the game. View on the Inventory screen in the Startling Developments menu.


 * 1) In the first mailbox on the north side of Desperation Street, right beside the player's house.
 * 2) In the mailbox opposite 1205 Desperation Street, just before the driveway with the car on the south side of the street.
 * 3) In the mailbox at 1211 Desperation Street, the first house on the Old Orange Tree screen.
 * 4) On the picture above the open window in Anne-Claire's room.
 * 5) On the end table with the lamp beside the bed in Anne-Claire's Room.
 * 6) On a sign to the left of James Filth at the entrance to Hobo Alley.
 * 7) To the right of Dr. Ernald P. Whimple's lab, in a cardboard house at the dead end just before the screen change.
 * 8) On the Anderson's Tar Soap poster to the right of Gerhard Kettle's soup kitchen.
 * 9) On the clown painting to the left of the main door inside The Shithole.
 * 10) Just left of the "F" of the large Flying Pricks sign in Pelican Bay.
 * 11) On a poster behind the Madame Zodora machine in Pelican Bay. It's the Pasty Chewing Gum poster just before the red/black painted stripes.
 * 12) On the anchor outside the It's Like Fudge! store in Pelican Bay.

Collecting all 12 pieces of concept art will unlock a bonus Penny Arcade comic.

Albums
Music tracks from the game that can be listened to from the Music screen in the Startling Developments menu.
 * 1) The Beginning of The End - In the mailbox of the house where you find Thomas Kemper.
 * 2) La Marche des Hobos - On the meat grinder in the Shithole Warehouse.
 * 3) Unfathomable Transmissions - On the shelf behind Anne-Claire, in her room.
 * 4) The Terrible Weight of Destiny - Received for performing for Madame Zodora in Pelican Bay.
 * 5) Final Boss - Unlocked when the episode is completed.

Bonus Collectible
Items that serve no real purpose over the course of the game, but may be of more use in Episode Two.

Horn
Bought from the souvenir stand in Pelican Bay for three of each color of token.

Mystery Item
Unlockable in Chapter 2.