Gray Matter achievements

Gray Matter

3.4 from 546 votes

There are a maximum of 41 Gray Matter achievements worth 1,409 (1,000)

3,516 tracked gamers have this game, 763 have completed it (21.70%)

Achievement Details

Secret Achievement in Gray Matter

Secret Achievement27 (20)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 1,900 tracked gamers (54% - TA Ratio = 1.35) 3,519  

Achievement Guide for The Experiment

1,213,833 (707,165)
Achievement won on 03 May 11
TA Score for this game: 1,409
Posted on 03 May 11 at 13:49
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"The Ghost of Dread Hill"

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This is a story related achievement, but secret. You'll get it during chapter 6, after speaking with Mrs. Dalton in the kitchen.
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