Saikey Studios has set September 25, 2026 as the launch date for Stranded with You, an upcoming survival game developed by Kumada Gaon. The latest announcement arrives with gameplay footage highlighting island exploration and resource gathering.
The game places the player alongside Mitsuki Nanami, a childhood friend who had been out of contact with the protagonist for years. Their summer trip turns into a fight for survival when a major storm leaves the pair stranded on a remote island.
Quick Summary
- Title: Stranded with You
- Japanese Steam title: 生き残れ!無人島サバイバル生活♡
- Developer: Kumada Gaon
- Publisher: Saikey Studios
- Steam franchise: Saikey Studios
- Format: PC game
- Official Steam genres: Adventure, RPG, Simulation
- Core concept: survival on a remote island
- Release date: September 25, 2026
- Publisher announcement timezone: UTC-3
- Confirmed platform: Windows PC
- Primary store: Steam
- Saikey Store: separate product listing available
- Status: unreleased
- Demo: available on Steam
- Full-game price: unannounced
- Mode: single-player
- Main companion: Mitsuki Nanami
- Relationship: protagonist's childhood friend
- Premise: a summer trip ends when their ship is caught in a storm
- Goal: survive and return to civilization
- Activities: exploration, securing food and water, gathering, fishing, hunting, woodcutting and mining
- Crafting: materials can be turned into new items and tools
- Shelter: can be built and improved
- Stats: improved through training
- Relationship system: the bond with Mitsuki can deepen
- Escape: players eventually build a boat to leave the island
- Recollection Room: unlocked moments can be revisited
- Steam Achievements: supported
- Steam Cloud: supported
- Family Sharing: listed on Steam
- Controller: Steam metadata lists partial controller support
- Languages: five listed on Steam
- Full voice: Japanese
- Indonesian: not supported
- Minimum RAM: 2 GB
- Minimum storage: 1 GB
- Launch price / discount: unannounced
Announcement, Steam and Gameplay

September 25 Is Now Locked In
Saikey Studios first introduced Stranded with You for wishlisting in December 2025. The publisher established its survival premise with Mitsuki at the time, but did not provide a full-game release date.
The September 5 update now confirms September 25, 2026, with Saikey Studios specifically labeling its announcement with the UTC-3 timezone. Steam has also been updated to display the same release date.
No full-game price is currently displayed on the listings checked, and neither a launch discount nor introductory pricing has been announced.
A Trip With Mitsuki Turns Into Survival
The story begins when the protagonist reconnects with childhood friend Mitsuki Nanami after the two have gone years without staying in touch.
Mitsuki invites the protagonist on a summer vacation trip, but their ship is struck by a severe storm and the two end up stranded on an island.
From there, the priority becomes survival: finding food and water, learning the island's layout, securing materials and gathering enough resources to eventually return home.
Exploration and Crafting Form the Main Loop
Steam lists a range of activities around the island, including fishing, hunting, cutting wood, mining and completing tasks to obtain materials.
Those resources feed into crafting, allowing players to produce new items and tools while discovering additional recipes through progression.
The shelter can also be improved over time. Players need to watch the protagonist's condition, as the game warns against excessive physical or mental strain while handling survival tasks.
Mitsuki Is Part of the Progression System
Mitsuki contributes directly to survival rather than existing purely as a story companion. Players can increase stats through training while also deepening their relationship with her through activities at the shelter.
That means resource progression and relationship progression run alongside one another. Saikey Studios has emphasized since the original reveal that enduring the island's hardships may change the relationship between the two.
A Recollection Room is also included for revisiting special moments after they have been unlocked.
Survival Is Not the Final Objective
Stranded with You does not end once the characters establish a stable life on the island. The ultimate objective remains returning to civilization.
Once preparations are sufficient, players can construct a boat and attempt to escape. Steam says the journey will be difficult, while failed attempts can lead toward new innovations or approaches.
Crafting and stat growth therefore feed into a concrete end goal instead of existing solely as open-ended sandbox systems.
A Demo Is Available Ahead of Launch
A Stranded with You demo is already downloadable through Steam. The current listing also includes single-player, Steam Achievements, Steam Cloud and Family Sharing.
Five languages are listed: English, Japanese, Korean, Simplified Chinese and Traditional Chinese. Japanese is the only language with full audio in Steam's table, while Indonesian is not supported.
The minimum requirements list an Intel Core2 Duo or better, 2 GB RAM, a DirectX 9/OpenGL 4.1-capable GPU and 1 GB of storage. The store still lists older Windows versions in its minimum requirements, although the Steam client itself now requires Windows 10 or newer.
Why This Matters
1) Survival and relationship progression run together
Gathering resources and improving the shelter are connected to a separate progression layer built around Mitsuki.
2) The survival activities cover several systems
Fishing, hunting, mining, woodcutting, crafting, training and exploration give the game more mechanical layers than a dialogue-only adventure.
3) Escaping provides a clear long-term objective
Players are building toward the ability to construct a boat and attempt a return to civilization.
4) The demo is already available
Players can sample the gameplay loop before the full September 25 launch.
Game Information
For now, the additional important information currently known includes:
- Stranded with You is developed by Kumada Gaon
- Saikey Studios serves as publisher
- the official release date is September 25, 2026
- Saikey Studios labels its announcement with the UTC-3 timezone
- the confirmed platform is Windows PC
- the Steam page uses App ID 4260270
- a demo can be downloaded through Steam ahead of the full release
- the full-game price has not been announced
- no launch discount has been announced
- Steam categorizes the game as Adventure, RPG and Simulation
- survival is the term used in the official game description
- the announced mode is single-player
- Steam Achievements are supported
- Steam Cloud is supported
- Family Sharing is listed
- Steam metadata lists partial controller support
- Steam Deck compatibility has not been officially confirmed
- the protagonist is stranded with Mitsuki Nanami after their ship encounters a storm
- survival resources include food, water and crafting materials
- players can fish, hunt, cut wood, mine and explore the island
- stats can be raised through training
- additional crafting recipes can be discovered
- the shelter serves as a hub for survival and interaction with Mitsuki
- the relationship with Mitsuki can develop through in-game actions
- players eventually build a boat to attempt a return to civilization
- the Recollection Room allows unlocked moments to be revisited
- Steam lists English, Japanese, Korean, Simplified Chinese and Traditional Chinese
- Japanese supports interface, full audio and subtitles
- English, Korean, Simplified Chinese and Traditional Chinese support interface and subtitles
- Indonesian is not supported
- minimum RAM is 2 GB
- minimum storage is 1 GB
- the minimum GPU requirement is DirectX 9/OpenGL 4.1 capability
- Steam user-defined tags also include Sexual Content and Hentai; these are community tags rather than official developer genres or a formal age rating
- no formal age rating was identified in the official sources checked
- the release announcement is available through the Saikey Studios Official X Post
- the game page is available through Stranded with You on Steam
- the publisher-store version is available through Stranded with You on Saikey Store
- publisher updates are available through Saikey Studios Official X
- the developer can be found through Kumada Gaon Official X
Closing
Stranded with You now has a firm September 25, 2026 launch date, combining island survival, resource management, crafting and relationship progression with Mitsuki Nanami on PC. The currently available demo also gives players a chance to test its exploration and progression loop before release.
The full-game price, any launch discount and platform support beyond Windows remain unannounced. Saikey Studios has also not announced Indonesian localization or official Steam Deck compatibility.
- Saikey Studios Official X — Official September 25, 2026 Release Date Announcement
- Steam — Official Store Page, Release Date, Demo, Gameplay, Languages, Features, and System Requirements
- Saikey Studios Store — Official Store Listing, Developer, Publisher, and Demo Information
- Steam Community / Saikey Studios — Initial Wishlist Announcement and Core Premise
- SteamDB — Store Metadata, Partial Controller Support, Trailer Assets, and Release Information