From The Talos Principle Wiki
Identifier: West 2-3
Area: Anthropic Hills
Puzzle Type: Main
Previous Puzzle: Chain Reaction
Next Puzzle: Conveyance

Permeability is the third main puzzle in the Anthropic Hills area of The Talos Principle 2.

Puzzle elements


When you enter the puzzle, you see a large room to your left blocked off by a purple barrier with a blue emitter in it. The wall facing the rear of the puzzle is made of drillable material.

Outside, near the back of the puzzle, a blue activator can be found. Right next to it is a small room that is blocked off by a blue door, but also has ladders going in and out of it. Inside the room is another blue activator and a driller.

Around the first room, on the other side, is the progress wheel, blocked off by a blue door.


A basic hint:

[ hint ]
The name of the puzzle, Permeability suggests that this puzzle deals with the ability of instruments to pass through certain types of barriers. You have to experiment and find out.

If you're struggling to get started:

[ hint ]
The first task is to obtain the second accumulator and the driller.

If you are unable to find a good angle:

[ hint ]
There are no tight angles in this puzzle. Try to think of a simpler solution, even if there may be no line of sight to it.

If you're stuck near the end:

[ hint ]
Equipment cannot cross purple barriers directly, but it can reach the room inside via other means. This allows you to create a large bubble close enough to your goal.