Just bought the game on steam and am stuck on this one part with the second marker puzzle.
Hello! A walkthrough for the whole game is not complete yet, but it sounds like you are within the first area. The demo walkthrough will help you with any puzzles in that area, which can be found here: https://docs.google.com/document/d/1VT6VkAFqIoCXPiN-JLL-SK2D7K_mq-0ZpVNtFhlDh2Q/...