The Arrival — Slender

While "deep paper" is not an official term in , it likely refers to the 13 numbered Letters (Scrapbook items) that provide a "deeper" look into the game's lore compared to the standard eight pages found in the woods.

: Located in the bathroom near the radio, past the kitchen. Slender The Arrival

These letters detail the tragic backstory of Kate and her friend C.R., and how the Slender Man influenced them. Key "Deep" Lore Documents While "deep paper" is not an official term