Halo: The Master Chief Collection achievements
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Halo: The Master Chief Collection

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There are a maximum of 600 Halo: The Master Chief Collection achievements (400 without DLC) worth 20,710 (6,000)

155,287 tracked gamers have this game, 627 have completed it (0.40%)

Achievement Details

Cryptum in Halo: The Master Chief Collection

Cryptum13 (5)

This is a rare achievementHalo 4: Activate Terminal 7 on Midnight.

  • Unlocked by 22,939 tracked gamers (15% - TA Ratio = 2.59) 155,287  

Achievement Guide for Cryptum

AuthorSolution
Tetrahedrite
110,046 (66,055)
Tetrahedrite
Achievement won on 19 Nov 14
TA Score for this game: 8,968
Posted on 16 November 14 at 20:02, Edited on 03 April 15 at 02:35
This solution has 28 positive votes and 0 negative votes. Please log in to vote.
After the flying sequence and you're on foot, you'll move from room to room killing Prometheans. The terminal will be in the center of the third room you enter from the start.

Feedback Edit: Load up the Second Checkpoint to skip the flying portion.
Credit to "xl Mr 1102 lx"
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