Halo: The Master Chief Collection achievements

Halo: The Master Chief Collection

4.5 from 14263 votes

There are a maximum of 600 Halo: The Master Chief Collection achievements (400 without DLC) worth 20,425 (6,000)

188,449 tracked gamers have this game, 883 have completed it (0.47%)

Achievement Details

Mystery Achievement in Halo: The Master Chief Collection

Mystery Achievement12 (5)

Inscrutable. Mysterious.

  • Unlocked by 30,522 tracked gamers (16% - TA Ratio = 2.48) 188,462  

Achievement Guide for Mystery Achievement

100,763 (52,850)
Achievement won on 11 Nov 14
TA Score for this game: 9,195
Posted on 11 November 14 at 19:25, Edited on 21 November 14 at 02:23
This solution has 317 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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