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Castaway Diary: Portal to the Unknown Isles

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?

Expected release · 2026

At a glance

About this game

Core game information and the store records it came from.

Title: Castaway Diary: Portal to the Unknown Isles
Content: Game
Expected release: 2026
Developer: REMIMORY
Publisher: REMIMORY
Platforms: Windows
Connected stores: 1

Steam Steam source details

Store title: Castaway Diary: Portal to the Unknown Isles
Product ID: 4382260
Developer: REMIMORY
Publisher: REMIMORY
Store platforms: Windows
Source checked: 2026-10-13 14:40 UTC

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How you can play

Features and tags

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Ways to play

Controls & VR

Full controller support

Accessibility

Custom Volume Controls

Store features

Genres

Action
Adventure
Casual
Indie
RPG
Early Access

Categories and genres from the Steam store, observed 2026-10-13. Store tags from Steam, as players and the store apply them.

Compare & explore

One game, connected stores

Each store keeps its own prices and observations. We prefer the latest recorded EUR price for Europa. When the displayed currency differs from the store amount, a separate approximate value may use the latest available ECB reference rate.

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Lumiri price context

Recorded price comparison

Matching store titles. One currency. One market.

EUR SE

No comparable price yet

No saved EUR price for SE has enough matching product information for this comparison.

0 included price records from 0 stores · 1 linked listing

1 listing has no recorded amount

How this comparison works

Only original EUR amounts recorded for SE and matching titles linked to this game are compared. Edition words and numbers must match. Other editions, source-market fallbacks and currency estimates are excluded.

These are recorded observations. Check the store for the current price, availability and included content. Historical lows belong to the named listing in this market and reflect the history Lumiri GameDB has collected.

Steam

Castaway Diary: Portal to the Unknown Isles

No recorded price

Ratings at a glance

Community and editorial ratings

No combined rating yet

1 collected source needs enough reviews before a score is calculated.

Steam

No user reviews yet.

0 positive · 0 negative

Needs 10 more reviews before it is included.

Checked 2026-10-03 18:53 UTC

View the rating chart · User sources need 10 reviews; verified editorial sources qualify directly. The combined score is the arithmetic mean of included sources, not weighted by review count.

Player activity

Observed Steam player history

Latest 1,000 points at most. Bucket averages; the first bucket is included in full. Summary averages are approximate.

Player history is taking shape

No local player observations yet. Collected samples will appear here over time.

Recorded prices

Price history · Steam

EUR observations for market SE. History belongs to the selected store listing; regional prices and taxes may differ.

No local EUR price observations for Europa in the past year.

Catalogue activity

Recent changes

Prices, release dates and store listing updates we detected. Repeated store refreshes are grouped.

No changes detected yet. Price and release updates will appear here.