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Castaway Diary: Portal to the Unknown Isles (2026)

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Castaway Diary: Portal to the Unknown Isles

Castaway Diary: Portal to the Unknown Isles

Castaway Diary: Portal to the Unknown Isles

REMIMORY·2026·

About

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?

Genres

Role-playing (RPG)

Themes

Game Modes

Keywords

steam achievements

accessibility options

custom volume controls

Country

South Korea

Details

Developer

Publisher

Links

IGDB page Steam

Release Date

January 1, 2026

Platforms

PC (Microsoft Windows)

Game metadata provided by IGDB.com

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Frequently Asked Questions

When was Castaway Diary: Portal to the Unknown Isles released?

Castaway Diary: Portal to the Unknown Isles was released on January 1, 2026.

What platforms is Castaway Diary: Portal to the Unknown Isles available on?

Castaway Diary: Portal to the Unknown Isles is available on PC (Microsoft Windows).

Does Castaway Diary: Portal to the Unknown Isles have multiplayer?

Yes — Castaway Diary: Portal to the Unknown Isles supports Multiplayer, Co-operative.

Who developed Castaway Diary: Portal to the Unknown Isles?

Castaway Diary: Portal to the Unknown Isles was developed by REMIMORY.

Screenshots

15

Game screenshots provided by IGDB.com

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