Yellow Tower Puzzles & Tunnel Unlock

The Yellow Tower sits at map coordinates 3310, 1560 and unlocks the yellow tunnel at 3500, 1620. As with the other towers, complete any five puzzles to collect five red control panel pieces, then place them in the slots on the Yellow Tower rooftop. The key behind the panel unlocks, and you shape it through five key cutters before inserting it in the slot on the right side of the tunnel entrance. Documented Yellow-area puzzles include the Easter Egg Hunt puzzle (36 wooden pieces placed on a wheel), the Sound Check puzzle (a player in a chair identifies which microphone feeds their headphones), the Music Room puzzle (match speaker sounds across two rooms), the Stage Directions puzzle (invert light positions: 1 becomes 3, 2 stays 2, 3 becomes 1, 4 becomes 7, 5 becomes 6, 6 becomes 5, 7 becomes 4), the Aerial Seat puzzle (carry pieces across a chair on a track), and the Button Room puzzle (one player reads lights while the other presses matching buttons).