Halo: The Master Chief Collection achievements

Halo: The Master Chief Collection

4.5 from 15043 votes

There are 600 Halo: The Master Chief Collection achievements (400 without DLC) worth 20,323 (6,000)

206,355 tracked gamers have this game, 1,004 have completed it (0.49%)

Achievement Details

Mystery Achievement in Halo: The Master Chief Collection

Mystery Achievement12 (5)

Inscrutable. Mysterious.

  • Unlocked by 33,114 tracked gamers (16% - TA Ratio = 2.49) 206,905  

Achievement Guide for Mystery Achievement

108,759 (57,820)
Achievement won on 11 Nov 14
TA Score for this game: 9,444
Posted on 11 November 14 at 19:25, Edited on 21 November 14 at 02:23
This solution has 341 positive votes and 2 negative votes. Please log in to vote.
This Achievement is awarded for uncovering an easter egg that has shown up in multiple Halo games.

To unlock it:
From the main menu, select Multiplayer
Then select Custom Games
Select Halo: CE
Select any map
Click the right thumbstick to bring up the file save options
Enter ".fortune" as the file name (without the quotes, and note the period at the beginning)
A fortune/proverb will appear and the Achievement will pop.

You can do it multiple times to see different proverbs.
You can read more about this easter egg here:

Here is a video by RandomChievo (not me):
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