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Cthulhu: The Cosmic Abyss cover

Cthulhu: The Cosmic Abyss

Achievement list · rarity · tracker · no guide yet, sign in to request one

A mining station in the Pacific abyss is no longer responding. As an investigator of the occult, unravel the mysteries of the deep. Test your wits and sanity in this thriller inspired by the master of Providence.

Adventure Science fiction Horror Thriller Mystery
2026 ★ 70 27 achievements
27 achievements
The Awakening

The Awakening

71.5%
Inspector

Inspector

63.4%

Find 10 sub-clues by inspecting objects.

Let there be light

Let there be light

62.8%
Artist

Artist

53.5%
The Excavation

The Excavation

45.6%
Thanks Key

Thanks Key

39.4%

Analyze 25 clues

Cthulhu fhtagn

Cthulhu fhtagn

35.9%
Macro waves

Macro waves

33.7%

Reveal 25 different clues using sonar frequencies.

The Temple

The Temple

32.8%
The Other World

The Other World

29.3%
Addicted

Addicted

27.2%

Use 10 doses of Lichen.

The Citadel

The Citadel

24.7%
In deep waters

In deep waters

24.2%
Linguist

Linguist

24.2%
Beyond the senses

Beyond the senses

23.6%
Open Sesame

Open Sesame

23.0%
Elementary

Elementary

21.1%

Solve 15 deductions.

His master's voice

His master's voice

20.4%
Against the tide

Against the tide

20.1%
Where am I?

Where am I?

18.1%
Cosmic Abyss

Cosmic Abyss

17.2%

Replace the watcher.

The Last door

The Last door

17.2%
A new watcher

A new watcher

16.2%
Better than Pandora

Better than Pandora

14.7%
Mens sana

Mens sana

14.0%

Finish the game without exceeding the corruption threshold.

Full charge

Full charge

13.9%

Find all energy upgrades.

Augmented agent

Augmented agent

5.4%

Find all evolutions.

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