Castling

Template:PuzzleInfobox Castling is the third main puzzle in the Grasslands Ring area of The Talos Principle 2.

Puzzle Elements

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Overview

As you enter the puzzle, you see a red emitter, an RGB converter, a pressure plate that controls access to a room a green emitter, a blue receiver that controls access to a room with another RGB converter, and a red receiver that gives access to the progress wheel.

Hints

A basic hint:

[ hint ]

Since the name of the puzzle is Castling, you have to think about the classic chess move called castling, where instruments swap their positions.

If you're having trouble getting started:

[ hint ]

You can set up an RGB convertor by choosing all the targets and then strategically position it so that it drops at a useful location, like a pressure plate

If you're having trouble with intersecting beams:

[ hint ]

Remove any connections that are no longer required

Solution

[ solution ]

• 
  Take the RGB Converter, connect it to the red Emitter, the green Emitter and the blue Receiver. Place it on the Pressure Plate. Bring the second Converter out of its cell.
• 
  Take the first RGB Converter again, connect it to the red and green Emitters, and place it in front of the door.
• 
  Take the second RGB Converter, connect it to the green Emitter, the blue Converter and the red Receiver. Place it on top of the Pressure Plate.