Call of Cthulhu

Call of Cthulhu

49 Achievements

12-15h

GOG
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The Secret Cave

The Secret Cave

Discover the mansion’s secret passage

56.5%

How to unlock the The Secret Cave achievement in Call of Cthulhu - Definitive Guide

Story related and cannot be missed.
This is for completing chapter 3, getting behind the bookcase by either:-
Prying it open with a crowbar OR
Figuring out the globe puzzle to have it unlock automatically. (For getting all of the achievements though, use the globe)
2 Achievements unlock!

Here is my 100% guide for this game and to see where and how to unlock this, go to 36:30 in playthrough 1 video.
Hope this helps

Playthrough 1

Playthrough 2
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16 Jan 2020 12:22

Story related and cannot be missed.

After chasing the thief at the end of Chapter 3, you’ll be required to open a secret passage. There are 2 ways to open it, but one of them will also net you A brilliant mind so make sure to refer to it.

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