Game
App 1713350
Project Castaway
Mardonpol Inc. · released Mar 17, 2026
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
Price
$19.99
US store
Reviews
64%
1,845 · Mixed
Playing now
12
sampled 21h ago
24h peak
12
all-time seen 22
Followers
—
Steam community hub
Owners (est.)
~55.4K
27.7K – 88.6K
YouTube activity
1
videos · 30 d24
creators889K
views · 1 yTwitch activity
0
avg viewers · 30 d11
hours watched · 30 d3
streamers · 30 dProduct info
from Steam's PICS · read 4d ago- Change number
- 39,931,564
- Public build
- 26,005,294 · Oct 17, 2026 (27d ago)
- Operating systems
- windows, linux
- Architecture
- —
- Install size
- 4.2 GB · 3.8 GB download
- Install folder
Project Castaway- Controller support
- Full
- Metacritic
- —
- Homepage
- mardonpol.com/
- Release state
- released
- Community
- hub · stats
Steam Deck
UnsupportedTested Sep 29, 2026 on build 22,914,257
- ✕Unsupported graphics performance
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 26,005,294 | Oct 17, 2026 · 27d ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 26,005,294 | public | Oct 17, 2026 06:54 | 4d ago |
Depots · 1
content of the public branch| Depot | Name | OS | Language | DLC / shared | Size | Download | Manifest |
|---|---|---|---|---|---|---|---|
| 1713351 | all | 4.2 GB | 3.8 GB | 5215267450687846311 |
Launch options · 1
| Executable | OS | Description |
|---|---|---|
Project Castaway.exe |
all |
Languages · 14
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| Spanish - Latin America | ✓ | — | ✓ |
| French | ✓ | — | ✓ |
| German | ✓ | — | ✓ |
| Polish | ✓ | — | ✓ |
| English | ✓ | ✓ | ✓ |
| Italian | ✓ | — | ✓ |
| Korean | ✓ | — | ✓ |
| Russian | ✓ | — | ✓ |
| Spanish | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
| Traditional Chinese | ✓ | — | ✓ |
| Portuguese - Brazil | ✓ | — | ✓ |
| Portuguese | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 613534 | Project Castaway | Store or CD key | $19.99 |
Bundles · 0
all bundlesNot part of any bundle we know.
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.