Panthalassa
Meia Calça · released May 17, 2026
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.
Price
$13.99
US store
Reviews
98%
106 · Very Positive
Playing now
0
sampled 15h ago
24h peak
0
all-time seen 1
Followers
—
Steam community hub
Owners (est.)
~3.2K
1.6K – 5.1K
YouTube activity
3
videos · 30 d22
creators28K
views · 1 yTwitch activity
2
avg viewers · 30 d162
hours watched · 30 d2
streamers · 30 dProduct info
from Steam's PICS · read 3d ago- Change number
- 40,597,635
- Public build
- 25,919,066 · Nov 4, 2026 (9d ago)
- Operating systems
- windows
- Architecture
- —
- Install size
- 1.3 GB · 646 MB download
- Install folder
Panthalassa- Controller support
- Full
- Metacritic
- —
- Homepage
- linktr.ee/meia_calca
- Release state
- released
- Community
- hub · stats
Steam Deck
VerifiedTested May 14, 2026 on build 23,182,111
- ✓Default controller config fully functional
- ✓Controller glyphs match deck device
- ✓Interface text is legible
- ✓Default configuration is performant
- iExternal controllers not supported primary player
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 25,919,066 | Nov 4, 2026 · 9d ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 25,919,066 | public | Nov 4, 2026 16:52 | 3d ago |
Depots · 1
content of the public branch| Depot | Name | OS | Language | DLC / shared | Size | Download | Manifest |
|---|---|---|---|---|---|---|---|
| 2955721 | all | 1.3 GB | 646 MB | 8516210609190350633 |
Launch options · 1
| Executable | OS | Description |
|---|---|---|
Panthalassa.exe |
windows |
Languages · 4
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | ✓ | ✓ |
| Japanese | ✓ | ✓ | ✓ |
| Portuguese - Brazil | ✓ | ✓ | ✓ |
| Portuguese | ✓ | ✓ | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 1052365 | Panthalassa | Store or CD key | $13.99 |
Bundles · 2
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| UI SURF AND TURF | 2 | -10% | $17.08 |
| Memory Palaces | 3 | -10% | $25.85 |
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.