This is the 3rd ending for The Witness. Achievable by completing all of the puzzles using their alternate solutions. Here is the Normal Ending https://www.youtube.com/watch?v=Qn0KNYkFU20 Here is the 1st secret Ending https://www.youtube.com/watch?v=-yMw0l26Jvs WARNING: This video does contain spoilers for the super secret ending. The Witness is a game by Thekla.