Castaway Diary: Portal to the Unknown Isles release date
Castaway Diary is a bright and charming anime-style survival adventure. Are you ready to escape to a relaxing island life with a group of lovely girls?
- Release date
- 2026
- Developer
- REMIMORY
- Publisher
- REMIMORY
- Genre
- Role-playing (RPG), Adventure, Indie
Release window
2026
An exact day has not been announced yet. The countdown starts when it is.
Get an email when it's out (and if the date changes).
Release dates by platform and region
| Platform | Region | Date | Unlock time | Status | Source |
|---|---|---|---|---|---|
| PC | Worldwide | Not announced | Announced | Source |
Where to pre-order
Pre-orders have not been listed yet.
Trailers and gameplay
Release date history
Date announced: 2026. Status: announced — Upstream update (igdb) Source
Frequently asked questions
When does Castaway Diary: Portal to the Unknown Isles release?
Castaway Diary: Portal to the Unknown Isles is scheduled to release on 2026.
What time does Castaway Diary: Portal to the Unknown Isles unlock?
The exact unlock time has not been announced. Most digital releases unlock at midnight local time or at a single global time set by the publisher; this page will list it as soon as it is known.
Which platforms is Castaway Diary: Portal to the Unknown Isles on?
Castaway Diary: Portal to the Unknown Isles is releasing on PC.
Has Castaway Diary: Portal to the Unknown Isles been delayed?
No delay has been announced. This page tracks every date change with a source link.
Can I pre-order Castaway Diary: Portal to the Unknown Isles?
Pre-orders have not been listed yet. Stores and prices will appear here once available.
Related countdowns
Browse more: 2026 release calendar · Upcoming PC releases