The Witness achievements

The Witness

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There are 13 The Witness achievements worth 1,776 (1,000)

24,187 tracked gamers have this game, 1,431 have completed it (5.92%)

Achievement Details

Secret Achievement in The Witness

Secret Achievement108 (75)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 11,685 tracked gamers (48% - TA Ratio = 1.43) 24,219  

Achievement Guide for Secret Achievement

108,272 (64,930)
Achievement won on 25 Sep 16
TA Score for this game: 1,262
Posted on 25 September 16 at 13:31, Edited on 25 September 16 at 13:35
This solution has 27 positive votes and 0 negative votes. Please log in to vote.
The bunker is located at the base of the large mountain where the lasers converge, on the side of the beach.
The principle of the bunker puzzles is grouping like colors and separating the different ones.

Enter the bunker by separating the white and black colors.
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The first set of puzzles on the left as you enter, and on the front wall

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Once you complete these, you are allowed to enter the room with the flowers with the different colored glass. The principle is that some colors appear the same when seen through a different color light. The only way to solve these puzzles is to group colors that look the same in blue or yellow light.

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After this you get access upstairs and you will see two puzzles on the wall with a switch. Flick the switch and the wall will open exposing daylight and the solution to the puzzle. Close this to solve the second puzzle.
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Finally, once through the container, make your way to the bottom of the stairs and find the elevator in the red room. There is a pattern on the wall but you cant tell the colors due to the light shade. There are many different patterns that will take you to different floors, however the only pattern you need to enter is this one:

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This will take you to the top of the bunker where you can easily activate the laser.
Enter in any other pattern to go back down.
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