iGamesBox
Back to Dark Dice: Cthulhu Investigation Log
Steam

Dark Dice: Cthulhu Investigation Log Achievements

Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.

Total achievements97
Rarest rate0.000%
Ultra rare54
Last checkedSep 16, 2026
Delayed official data

Rates and award counts were last observed on Sep 16, 2026.

61
Escape from Dagon

Achieve Victory in Dagon, once.

Very rare
4.30%last reported global rate
62
Escape the Hound

Achieve Victory in The Hound, once.

Very rare
4.30%last reported global rate
63
Streak of Misfortune

No public description is available.

Very rare
4.30%last reported global rate
64
Survivor of the Time Rift

Achieve Victory in The Shadow Out of Time, once.

Very rare
4.30%last reported global rate
65
Survivor of the Walls

Achieve Victory in The Rats in the Walls, once.

Very rare
4.30%last reported global rate
66
The Complete Casebook

Achieve Victory in every adventure at least once.

Very rare
4.30%last reported global rate
67
Truth of the Ward Case

Achieve Victory in The Case of Charles Dexter Ward, once.

Very rare
4.30%last reported global rate
68
Vigil's End

Achieve Victory in Polaris, once.

Very rare
4.30%last reported global rate
69
Waking from the Tomb

Achieve Victory in The Tomb, once.

Very rare
4.30%last reported global rate
70
A Fallen Investigator

Lose an investigator to death, once.

Rare
8.60%last reported global rate
71
A Shattered Mind

Suffer a total collapse of Sanity, once.

Rare
8.60%last reported global rate
72
Acquired: Cursed Lucky Coin

No public description is available.

Rare
8.60%last reported global rate
73
Actor's First Ordeal

Achieve Victory in any adventure as a Actor, once.

Rare
8.60%last reported global rate
74
Doctor's First Ordeal

Achieve Victory in any adventure as a Doctor, once.

Rare
8.60%last reported global rate
75
Escape from Innsmouth

Achieve Victory in Innsmouth, once.

Rare
8.60%last reported global rate
76
First Proof of the Assessment

Create a character via the Psych Assessment, without altering any of the Attribute or Skill points it assigned, and achieve Victory in any adventure, once.

Rare
8.60%last reported global rate
77
Knowledge for Coin

Exchange Ancient Knowledge for Merit at the Artifact & Resource Management Office, once.

Rare
8.60%last reported global rate
78
Past Old Bugs

Achieve Victory in Old Bugs, once.

Rare
8.60%last reported global rate
79
Patrolman's First Ordeal

Achieve Victory in any adventure as a Patrolman, once.

Rare
8.60%last reported global rate
80
Professor's First Ordeal

Achieve Victory in any adventure as a Professor, once.

Rare
8.60%last reported global rate