Tetris puzzle in the marsh with no use?
I found and solve a puzzle in the Marsh for which i don't find any use
This puzzle is under the water, after the 3 square moving platform.
Here is a picture of the location : 
And here is the puzzle : 
Can anyone tell me the purpose of this puzzle ?
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How do you solve the witness puzzle in Tetris?
To enter the Swamp section of the island, go to the Keep in the middle of the island and make your way east. The Puzzles will be fairly straightforward until the last half of the puzzle before the Laser. There are also a few Environmental Puzzles here -- look for them in the River Obelisk section.How do you access the swamp the witness?
Shortcut exit It's located near the back. It's accesible after you've crossed the red building and you're approaching the laser, on a side path. You can use it to leave the area more easily after you've activated the laser.How do I leave the swamp witness?
advertisement. They all feature triangle icons - where the number of triangles in a square is related to how many times a line can touch the square. Below you will find a list of panel locations - sorted by area.The Witness Walkthrough #6 - Swamp Marsh Tetris Puzzle Solutions (Activating Marsh Laser)
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Images: Karolina Grabowska, Andrea Piacquadio, Alex Green, Ono Kosuki