The Bunker achievements

The Bunker

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There are 28 The Bunker achievements worth 1,134 (1,000)

5,520 tracked gamers have this game, 3,535 have completed it (64.04%)

Achievement Details

Secret Achievement in The Bunker

Secret Achievement27 (25)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 4,830 tracked gamers (87% - TA Ratio = 1.06) 5,522  

Achievement Guide for Secret Achievement

610,625 610,625 GamerScore
Achievement won on 01 Jan 17
TA Score for this game: 1,134
Posted on 01 January 17 at 23:02
This solution has 4 positive votes and 0 negative votes. Please log in to vote.
Story related, cannot be missed.

After the Chapter finishes loading, enter the Office Door to the left and use the Computer (must turn the lights on using the Lamp first). Exit the office and then use the Ladder to turn the valve off. Return back to the computer again and it'll tell you to replace the Filter. Exit the office, and head towards the left area. Open the Filter Hatch and remove the Radiation Filter. Dispose of this filter inside the Radiation Vault. Grab a Replacement Filter from the crate and place it inside empty filter slot. Head back to the office computer and use it again. This time return back to the valve and try to turn it back on. A scene will play out and the achievement will unlock.

**All credit goes to themindisacity for the help!**
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