The Game Census
Panthalassa cover art

Panthalassa

Meia Calça · 2026-05-17

Steam

AdventureCasualIndie

Modes: Single player

Releases: May 17, 2026 (PC (Microsoft Windows))

Panthalassa is a Point and click Puzzle game set in an underwater alien world. You play as an AI reborn in a highly advanced body they do not recognize. Interface with otherworldly technology and unlock the secrets behind this strange planet.

98%
positive of 107 reviews
Very Positive
steam rating
pending
deck/linux tier (ProtonDB)
$13.99
steam price (US)

Health check

Cooling
  • · 24 reviews in the last 8 weeks (~3/week).
  • · Review velocity down 65% vs the prior 8 weeks.
  • · Top 65% of 11,362 Adventure games in the census by review count.
Estimated sales: 2.1k–4.8k copies

Review-multiple estimate from 107 total reviews — how this is computed.

All-time low: $11.89 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $13.99 · on sale 1 of 6 observed days (census price snapshots)

Review momentum

PositiveNegative
323220262026Week of 2026-05-17: 32 positiveWeek of 2026-05-24: 18 positiveWeek of 2026-05-31: 8 positiveWeek of 2026-06-07: 7 positiveWeek of 2026-06-07: 1 negativeWeek of 2026-06-14: 2 positiveWeek of 2026-06-21: 3 positiveWeek of 2026-06-28: 8 positiveWeek of 2026-07-05: 2 positiveWeek of 2026-07-12: 2 positiveWeek of 2026-07-19: 3 positiveWeek of 2026-07-26: 1 positiveWeek of 2026-08-02: 2 positiveWeek of 2026-08-09: 2 positiveWeek of 2026-08-09: 1 negativeWeek of 2026-08-16: 2 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$13.99$11.892026-05-182026-08-072026-05-18 — best price $12.592026-05-24 — best price $13.992026-06-25 — best price $11.892026-07-09 — best price $13.992026-07-31 — best price $12.592026-08-07 — best price $13.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

12
achievements tracked
82.8%
earned "POWER ON"
41.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportAdjustable Text Size#category_contrast_controlsCustom Volume ControlsMouse Only Option#category_playable_at_your_own_pacePlayable without Timed InputSave Anytime

2 supported languages: English, Portuguese - Portugal

Census log

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

Recent updates

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Similarity via IGDB.

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