Castaway Diary: Portal to the Unknown Isles

UpcomingEarly AccessSteam Store

About the game

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?

Upcoming release

Thu, Dec 31, 8:00 AM

Followers

1,050

Updated Oct 29, 12:46 AM

Follower history

5 observations in viewOct 22, 2026, 12:49 AM – Oct 29, 2026, 12:46 AM

Game details

Developer: REMIMORY
Publisher: REMIMORY
Release date: Dec 31, 2026, 8:00 AM
Languages: English, Japanese, Simplified Chinese, Korean
Platforms: Windows
Features: Feature names
Single-player
Multi-player
Co-op
Online Co-op
Steam Achievements
Custom Volume Controls
Steam Cloud
Family Sharing
Full controller support
DualShock Controller Support
DualSense Controller Support
Tags: Survival Open World Survival Craft Crafting Life Sim Action