The Game Census
Thalassa: Edge of the Abyss cover art

Thalassa: Edge of the Abyss

Sarepta Studio · Team17 Digital Ltd · 2024-08-01

Steam

AdventureIndieRPG

Modes: Single player · Perspectives: First person

Releases: Aug 01, 2024 (PC (Microsoft Windows))

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.

89%
positive of 368 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
$19.99
steam price (US)
Thalassa: Edge of the Abyss is a 2024 adventure game developed by Sarepta Studio and published by Team17. Players explore the wreckage of a 19th-century ship of which they were previously a crewmember.

Health check

Quietly active
  • · 73 reviews in the last 8 weeks (~9/week).
  • · Review velocity up 0% vs the prior 8 weeks.
  • · Top 40% of 13,817 Adventure games in the census by review count.
Estimated sales: 7.4k–17k copies

Review-multiple estimate from 368 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$10.00-50%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $6.80 at GameBillet (2025-11-22)via IsThereAnyDeal

12-month high $19.99 · on sale 110 of 171 observed days · $3.20 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
636320242026Week of 2024-08-01: 63 positiveWeek of 2024-08-01: 7 negativeWeek of 2024-09-01: 16 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 14 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 16 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 13 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 11 positiveWeek of 2025-01-01: 4 negativeWeek of 2025-02-01: 5 positiveWeek of 2025-03-01: 11 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 5 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 9 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 9 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 8 positiveWeek of 2025-07-01: 3 negativeWeek of 2025-08-01: 4 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 2 positiveWeek of 2025-10-01: 7 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 8 positiveWeek of 2025-11-01: 2 negativeWeek of 2025-12-01: 11 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 13 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 6 positiveWeek of 2026-02-01: 4 negativeWeek of 2026-03-01: 9 positiveWeek of 2026-04-01: 2 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 7 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 9 positiveWeek of 2026-07-01: 9 positiveWeek of 2026-08-01: 9 positiveWeek of 2026-08-01: 2 negativeWeek of 2026-09-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$19.99$6.802024-07-302026-09-072024-07-30 — best price $19.992024-09-10 — best price $16.392024-10-28 — best price $15.892024-11-26 — best price $12.492024-12-22 — best price $13.192025-01-01 — best price $13.172025-01-20 — best price $12.192025-02-24 — best price $17.992025-03-27 — best price $12.942025-04-11 — best price $16.392025-04-30 — best price $12.992025-05-23 — best price $14.992025-06-02 — best price $14.992025-06-28 — best price $14.792025-07-22 — best price $12.402025-08-12 — best price $12.042025-08-29 — best price $19.992025-09-30 — best price $11.042025-10-15 — best price $19.992025-10-29 — best price $9.942025-11-24 — best price $7.502025-12-11 — best price $8.792026-01-15 — best price $19.992026-02-05 — best price $9.992026-02-27 — best price $8.992026-03-16 — best price $19.992026-04-05 — best price $19.992026-04-24 — best price $9.202026-05-14 — best price $8.612026-05-28 — best price $19.992026-06-26 — best price $9.282026-07-23 — best price $7.752026-08-12 — best price $19.992026-08-25 — best price $8.572026-09-07 — best price $10.00
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

1422026-06-10 — 6 pageviews2026-06-13 — 8 pageviews2026-06-16 — 3 pageviews2026-06-19 — 6 pageviews2026-06-22 — 10 pageviews2026-06-25 — 11 pageviews2026-06-28 — 9 pageviews2026-07-01 — 4 pageviews2026-07-04 — 7 pageviews2026-07-07 — 13 pageviews2026-07-10 — 6 pageviews2026-07-13 — 3 pageviews2026-07-16 — 5 pageviews2026-07-19 — 3 pageviews2026-07-22 — 5 pageviews2026-07-25 — 3 pageviews2026-07-28 — 4 pageviews2026-07-31 — 3 pageviews2026-08-03 — 3 pageviews2026-08-06 — 8 pageviews2026-08-09 — 13 pageviews2026-08-12 — 14 pageviews2026-08-15 — 6 pageviews2026-08-18 — 9 pageviews2026-08-21 — 6 pageviews2026-08-24 — 4 pageviews2026-08-27 — 7 pageviews2026-08-30 — 5 pageviews2026-09-02 — 5 pageviews2026-09-05 — 7 pageviews2026-09-06 — 8 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

25
achievements tracked
72.7%
earned "The Dive"
45.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportDualShock Controller SupportDualSense Controller SupportSteam CloudFamily Sharing1 DLC

10 supported languages: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Norwegian, Russian, Simplified Chinese

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)14312%25

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

RPGIndieMysteryAdventureDetectiveEmotionalStory RichUnderwaterAtmosphericExploration

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

Wanderlust AdventuresStar Control®: OriginsOmensight: Definitive EditionWeapon Shop FantasyEternity: The Last UnicornDungeon Of Dragon KnightCHANGE: A Homeless Survival ExperienceTorchlight III

Similarity via IGDB.

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