: You must find and place down a piece of paper to activate the portal mechanism .
For a deep dive into the story details contained in these papers, you can check community discussions on Steam. The Vanishing of Ethan Carter Redux
: Once activated, entering a portal allows you to swap between different versions of rooms. : You must find and place down a
In , "paper" refers to a specific mechanic used in the Corvus House (Portal House) puzzle . The Portal House Puzzle The Vanishing of Ethan Carter Redux
: Many players recommend using real-world grid paper to map out the interior and track the various room permutations. Other "Paper" References in the Game