Thalassa: Edge of the Abyss

Uncover the mystery of Thalassa, a first-person psychological drama set under the sea. Ill-fate has fallen on your former crew and friends and it’s up to you to find answers onboard the wreckage. Experience the melancholic underwater journey of human stories facing life and loss.

Developer: Sarepta Studio. Publisher: Team17 Digital Ltd.

Tags: Solo, Adventure, Interactive Fiction, First-Person.

Steam reviews: Very Positive (91% of 224).

Price: $11.99 (was $23.99, 50% off).

Released 2024-08-01.

Last updated 2026-01-12.

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