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The free Kigetsu: Night of the Waning Moon demo is available on Steam for Windows. It is distributed as a separate demo application (Steam app ID 5235720), released on October 16, 2026. Search for the exact title, confirm that Edia Co., Ltd. is shown as the developer or publisher, install the demo, and launch it from your Steam Library.
Is the Kigetsu: Night of the Waning Moon demo free and available now?
Yes. As of October 19, 2026, the demo is a free digital download on Steam. You do not need to buy a physical edition, purchase the full game, or add money to your Steam Wallet to try it. SteamDB identifies it as app 5235720, a Windows-compatible, single-player application with English and Japanese interface and subtitle support and full controller support.
Edia Co., Ltd. began distributing the demo through Steam on October 16, 2026. The publisher’s announcement says: “Steam版『虧月の夜』では日本語に加えて、英語への言語切り替えに対応しており英語名称は『Kigetsu: Night of the Waning Moon』となります。” In practical terms, the Steam version can be switched between Japanese and English, and the English name used in the store is Kigetsu: Night of the Waning Moon.
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The demo is not a paid trial, early-access purchase, or physical product. Its purpose is to let you sample the game’s opening experience through Steam. You can install it independently of the unreleased full game, and the demo appears as its own application rather than as a disc, code, or downloadable bonus that requires another purchase.
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What you need before installing
- A Steam account signed in to the Steam client.
- A Windows PC. The demo metadata lists Windows support; no macOS or Linux version is identified.
- Enough free storage for the installation. The parent game’s Steam listing specifies 2 GB of available storage as a minimum, although that figure is not separately verified as a demo-only requirement.
- A keyboard and mouse or a compatible game controller. Full controller support is listed, but a controller is optional.
- An internet connection for Steam to download the files. The title is distributed digitally, so there is no physical media to insert.
The demo is single-player. It does not require a physical disc, a boxed purchase, or a Steam gift-card balance. Because the documented platform is Windows, check your operating system before beginning rather than assuming that any computer that runs Steam can run this title.
Keep at least the listed storage available on the drive selected in Steam. The 2 GB figure belongs to the parent-game listing and is the closest published baseline, not a separate certification for the demo. Steam can also need temporary working space while installing, so having some room beyond the minimum is sensible without treating any unlisted amount as an official requirement.
How to find the correct Steam listing
The demo is associated with the main game but has its own Steam application entry. Steam’s store layout can change, so you may encounter either a demo control on the parent game page or a separate result.
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Option 1: Use the main game page
- Open the Steam client and sign in.
- Use Steam Search to look for Kigetsu: Night of the Waning Moon.
- Open the listing that identifies Edia Co., Ltd. as the developer or publisher.
- Look for the demo download or play option on the game page. Select it if Steam displays one.
- Confirm the installation location and start the download.
Option 2: Search for the separate demo app
- In Steam Search, enter the exact title Kigetsu: Night of the Waning Moon Demo.
- Open the result that identifies Edia Co., Ltd. before selecting any install control.
- Check that the result is free and intended for Windows.
- Choose the install or add-to-library control, then let Steam download the demo.
The separate app is identified by SteamDB as app 5235720. That number is useful when checking that you have found the intended demo rather than a similarly named page, but Steam normally lets you locate it by title. Search for the complete name instead of relying on a short query such as “Kigetsu,” which can return unrelated or incomplete results.
Before installing, compare the title, Edia attribution, free price, Windows platform information, and demo wording. A page that uses the name but does not show Edia should not be assumed to be the official application. The parent game and the demo can appear next to each other in search, so read the page heading and product type carefully.
How to install and launch the demo
- After selecting the demo’s install control, choose the Steam library folder where you want it stored.
- Allow Steam to complete the download and installation. The demo should then appear in your Library as its own entry.
- Open Library, select Kigetsu: Night of the Waning Moon Demo, and choose Play.
- When the game starts, select English or Japanese if the title presents a language choice. SteamDB lists both languages for the interface and subtitles.
- Choose keyboard and mouse or connect a controller before beginning. Full controller support is listed, but you can play without one.
If Steam offers more than one library location, pick a drive with enough free space and allow the client to finish rather than launching while the download is incomplete. When installation ends, use the Library entry to start the program; a desktop shortcut is not required.
Steam may label controls differently as its interface evolves. The important checks are the title, Edia attribution, free status, and appearance of a separate demo entry in your Library. If you used the parent page, confirm that Steam installed the demo application and did not merely add the forthcoming full game to your wishlist or library.
Language, controls and platform support
| Feature | What is listed for the demo |
|---|---|
| Platform | Windows |
| Languages | English and Japanese interface and subtitles |
| Input | Full controller support; a controller is optional |
| Mode | Single-player |
| Cost | Free digital demo |
| Steam app | 5235720 |
| Demo release date | October 16, 2026 |
The language listing refers to the Steam demo metadata. It establishes English and Japanese interface and subtitle support, but it does not by itself specify whether every piece of optional text, menu explanation, or audio is voiced in both languages. If you need English, select it in the game’s available language setting after launch.
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Full controller support means a compatible controller is recognized as an intended input option; it does not make a controller mandatory. Keyboard-and-mouse players can install and play without buying additional hardware. Conversely, the listing does not identify a particular controller model, button layout, vibration feature, or remapping detail, so those should not be inferred from the support label.
Single-player describes the listed mode. There is no indication of online multiplayer, co-op, or a network service requirement for the play experience. The confirmed distribution platform is Steam on Windows; the absence of a listed macOS or Linux build means those versions should not be presumed.
How the demo compares with the full game listing
| Question | Demo | Full game listing |
|---|---|---|
| Availability | Downloadable now | Marked Coming soon |
| Cost | Free | No confirmed Steam price |
| Steam identity | Separate app, ID 5235720 | Parent game page |
| Platform information | Windows metadata | Windows minimum configuration published |
| Purpose | Introductory trial experience | Complete release not yet dated |
This distinction prevents a common misunderstanding: downloading the demo does not mean the complete game has launched. The demo is a free, separate application that can be played now, while the parent listing remains forthcoming. No price, final release date, or transfer of demo progress into the full game has been announced in the cited store and publisher details.
PC requirements: what the Steam listing actually confirms
The official Steam page for the parent game publishes the following minimum configuration. These figures are the best available compatibility reference, but they are not explicitly labeled as requirements tested specifically for the demo.
| Component | Minimum listed for the parent game |
|---|---|
| Operating system | Windows 10 64-bit |
| Processor | Intel Core 2 Duo E7500 |
| Memory | 4 MB RAM |
| Graphics | NVIDIA GeForce GTX 750 or equivalent |
| DirectX | DirectX 11 |
| Storage | 2 GB available space |
The memory figure appears exactly as listed on the parent game page. Because the publisher and Steam do not provide a separate demo-specific requirements sheet in the available information, treat the table as a baseline rather than a guarantee for every PC. A computer that meets the listed Windows, processor, graphics, DirectX and storage entries is the closest documented compatibility target; performance can still vary with drivers, background applications and the final build.
The listing does not provide a recommended configuration, frame-rate target, resolution target or graphics-setting guidance. It also does not identify a macOS or Linux build. If your computer uses another operating system, the documented Windows support does not establish compatibility.
Do not turn the table into a promise that every system at or above those figures will perform identically. The parent page supplies minimum entries, while the demo is a separate app. Graphics drivers, Windows updates, other running programs and the particular build installed through Steam can affect startup and play. If Steam reports insufficient storage or your system cannot meet the operating-system requirement, those warnings should take priority over assumptions based on the title alone.
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Kigetsu: Night of the Waning Moon is presented as a time-leap survival-horror adventure in an isolated rural village during Japan’s early Showa era. The protagonist, described as a person reincarnated into the modern world, becomes trapped in a repeating cycle after a gruesome tragedy. Each death returns the character to the same period, allowing knowledge from earlier loops to reveal hidden motives, village secrets and ways to survive.
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The Steam description centers on a “30-Murder Case,” an isolated community, repeated deaths and relationships that connect the people involved. It also highlights twins whose relationship is shaped by longstanding prejudice and violence. The loop structure means that information gathered in one attempt is central to understanding later attempts; the demo is therefore designed as a story and investigation experience rather than a conventional action showcase.
The setting and premise suggest that the player’s progress depends on observing events, remembering what happened in earlier cycles and interpreting relationships. That is a description of the announced concept, not a promise about a particular puzzle, combat system, save structure, or branching outcome. The available details identify the horror, time-loop and mystery framework but do not enumerate every mechanic in the demo.
The available information describes the premise and setting, not the exact stopping point or length of the demo. Do not assume that the demo represents the complete game, that it contains the entire “30-Murder Case,” or that finishing it unlocks the full release. It is safest to regard it as an introductory portion until Edia or the Steam page provides a more precise scope.
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The demo’s listed cost is free. There is no supported reason to buy a Steam gift card, physical game, printed manual, soundtrack, repair tool, or hardware upgrade simply to obtain it. A controller can be useful if you prefer one, but full controller support is an option rather than a requirement, and keyboard and mouse are available.
The free demo should not be confused with a discounted pre-order or a paid early-access license. The parent game is still marked Coming soon, and no final Steam price has been published in the cited announcements and store details. Avoid listings or offers that claim to sell access to the demo outside Steam unless Edia confirms them through an official channel.
Troubleshooting the most common download problems
The demo option is missing from the main game page
Steam’s store layout and button labels can change. Search separately for Kigetsu: Night of the Waning Moon Demo and verify Edia Co., Ltd. before installing. The demo’s separate app identity is 5235720, so a result that does not match the title and publisher should not be treated as the official entry.
Several similarly named results appear
Use the complete title, check the Edia attribution, and confirm that the result is free and for Windows. The parent game and the demo are related, but the demo is its own application. Do not rely on a shortened search such as “Kigetsu” alone.
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The full game can remain on a Coming soon page even while its demo is playable. Look for a demo control, or switch to the separate demo search described above. Adding the parent game to your wishlist is not the same as installing the demo.
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The download finishes but no shortcut is visible
Open Steam’s Library and search your installed games for the demo’s full title. Because it is a separate app, it may not be grouped exactly like the parent game in every Steam client view. Launch it from its Library entry.
Steam installed the wrong item
Open the installed entry’s store or properties view and compare its name and Edia attribution with the official demo details. If it is the parent game or an unrelated result, remove that installation and repeat the exact-title search. The intended demo is the separate app associated with ID 5235720.
The game does not start on your PC
First confirm that the computer is running Windows and compare it with the parent game’s documented minimum entries: Windows 10 64-bit, an Intel Core 2 Duo E7500-class processor, NVIDIA GeForce GTX 750-class graphics or equivalent, DirectX 11 and 2 GB of free storage. Those numbers are compatibility guidance for the main listing, not a demo-specific certification. If your system is below one of those entries, the available documentation does not establish that the demo will run.
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SteamDB lists full controller support. Connect the controller before launching, then select it in the game’s input or control settings if the title presents that choice. A controller is not required; keyboard and mouse remain an available input method.
You need English text
English and Japanese interface and subtitle support are listed for the demo. Check the title’s language setting after launch and choose English. If the setting is not shown immediately, close and relaunch the demo after changing the game’s available language option in Steam, following the labels shown by your current Steam client.
You are unsure whether the demo is safe to install
Use Steam’s own store and Library controls, confirm Edia Co., Ltd. as the developer or publisher, and compare the title with the official spelling. The publisher’s October 16, 2026 announcement identifies Steam distribution and the English title. Do not substitute a similarly named download from an unverified website.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is the full game released on Steam?
No final Steam release date or price is confirmed in the publisher and store information. The full game’s Steam listing remains marked Coming soon. The October 16, 2026 publisher announcement confirms the demo’s Steam distribution and English title, but it does not announce a launch date or price for the complete game.
Installing the free demo does not mean that the full game has been released. Treat the demo and the parent listing as separate entries: the demo can be downloaded now, while the complete game remains listed as forthcoming. A wishlist or follow action on the parent page may help you monitor later announcements, but it is not a purchase and does not grant access to the finished game.
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What is and is not included in the available information
- Confirmed: a free Steam demo, Windows support, app ID 5235720, October 16, 2026 release, English and Japanese interface and subtitles, single-player play and full controller support.
- Not separately confirmed for the demo: its own hardware requirements, storage size beyond the parent listing’s 2 GB figure, exact duration, precise ending point, performance targets, save compatibility, or whether progress carries into the full game.
- Not announced: a final Steam release date and price for the full game.
- Not established: macOS or Linux compatibility, a recommended PC specification, a frame-rate target, a resolution target, or a required controller.
These distinctions matter when planning an installation. The demo is ready to try, but information about the eventual full release should not be inferred from the demo’s availability. Likewise, the parent game’s minimum table should be read as a documented baseline rather than a separate performance guarantee for the demo.
Quick checklist
- Search Steam for Kigetsu: Night of the Waning Moon or the separate Kigetsu: Night of the Waning Moon Demo entry.
- Verify Edia Co., Ltd. is shown before installing.
- Confirm that Steam identifies the free Windows demo; SteamDB’s app ID is 5235720.
- Install it, then launch the separate demo entry from your Library.
- Choose English or Japanese and use a controller or keyboard and mouse.
- Use the parent game’s published Windows requirements as a baseline, not as a demo-specific guarantee.
- Remember that the full Steam game is still marked Coming soon, with no confirmed price or release date.
Frequently Asked Questions
Is the Kigetsu: Night of the Waning Moon demo free?
Yes. It is listed as a free digital Steam demo. You do not need to buy the full game, a physical edition, or a Steam gift card.
Where is the demo on Steam?
Search for the exact parent title first. If the demo control is not shown there, search for “Kigetsu: Night of the Waning Moon Demo” as a separate app and confirm Edia Co., Ltd. The demo’s Steam app ID is 5235720.
Can I play the demo in English?
Yes. Steam metadata lists English and Japanese interface and subtitle support. Select English in the game or Steam language setting if it is not selected automatically.
What PC does the demo need?
The parent game lists Windows 10 64-bit, an Intel Core 2 Duo E7500, 4 MB RAM, a GeForce GTX 750 or equivalent, DirectX 11, and 2 GB of storage. These are a baseline for the parent listing, not separately verified demo requirements.
Do I need a controller?
No. Full controller support is listed, but a controller is optional; keyboard and mouse are also available.
Is Kigetsu: Night of the Waning Moon fully released on Steam?
No. The demo is playable, but the full game remains marked Coming soon. The cited publisher and store information does not give a final Steam release date or price.
Is the demo multiplayer?
The Steam metadata lists it as single-player. No multiplayer or co-op mode is identified.
How do I launch it after installation?
Open Steam Library, search for the separate “Kigetsu: Night of the Waning Moon Demo” entry, and select Play. A desktop shortcut is not required.
The Bottom Line
Bottom line: The free Kigetsu: Night of the Waning Moon demo is available now on Steam as Windows app 5235720. Find it through the parent page or by searching the exact demo title, verify Edia Co., Ltd., install it, and launch the separate Library entry. English and Japanese interface and subtitles, single-player play, and full controller support are listed. The parent game is still Coming soon, with no confirmed Steam price or release date.
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