PCGame

Panthalassa

Point-and-click adventure about a submarine AI awakening in an unfamiliar body

Meia Calça · Released May 17, 2026

AdventureCasualIndie

Reviews
Very Positive
98% of 104
Recent reviews
Not enough recent
Players
0
daily peak, Oct 28, 2026
Steam Deck
Verified
Last update on Steam
3 months ago
Jul 16, 2026
Minimum PC
Dedicated with 512MB RAM …
4 GB RAM · 2 GB disk
Full requirements

What is Panthalassa?

This single-player adventure takes place in an alien underwater world, viewed through a machine's eyes. As Magellan, an exploratory submarine that awakens in another body after a malfunction, you navigate unfamiliar interfaces, catalog aquatic specimens, and solve puzzles while investigating a mysterious civilization.

For you if...

  • +you enjoy stories about identity and transhumanism
  • +you like searching environments for hidden information

Not for you if...

  • −you prefer action-driven games with little reading

What players say

98% of 104 reviews are positive

Players praise the visual and interface design, soundtrack, and character dialogue. Recent reviews generally describe the puzzles as approachable.

Screenshots and trailer

Panthalassa screenshot 1

Panthalassa system requirements

Minimum: Dedicated with 512MB RAM …, 4 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run Panthalassa?

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Minimum

OS
Windows 10/11
Processor
Intel Core i3 Processor or equivalent
Graphics
Dedicated graphics card with 512MB RAM and Webgl enabled
Memory
4 GB RAM
Storage
2 GB available space
Notes
Steam Deck suport

Does Panthalassa have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Panthalassa run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck
  • External controllers are not supported for the primary player

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
12
Steam features
Cloud saves, Family Sharing
Languages
Full audio: English, Portuguese - Portugal, Portuguese - Brazil.

Does Panthalassa use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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