Terms of Use
Established: September 26, 2026 / Revised: October 30, 2026
This English version is a translation provided for convenience. The Japanese version is the official version, and it prevails if the two differ.
These Terms of Use ("these Terms") set out the conditions for using the game "Rampart Knights" ("the Game") provided by Solutive Inc. ("we", "us", or "our") and the web page for creating and posting stages for the Game ("the Creation Page"). By using the Game or the Creation Page, you are deemed to have agreed to these Terms.
Article 1 (Application)
These Terms apply to all relationships between us and users concerning the use of the Game and the Creation Page (together, "the Service").
Article 2 (The Service)
- The Game is an action game about defending a castle. It is provided for iOS, Android, and PC (Steam).
- The Game includes features that use our server, such as online co-op, Rankings, Community Stages (publishing and downloading stages made by other users), Community Gardens (posting, browsing, and visiting gardens), Data Sync (using the same progress on multiple devices), and reports. These features and the Creation Page are hereinafter called "Online Features". Online Features require an internet connection and are available during each feature's service period.
- Co-op play includes online co-op over the internet and co-op between devices on the same local network (the same Wi-Fi). When you make an online co-op room "Public", the room's information is listed in "Open Rooms", and other users who do not know the room code can join.
- Posting stages on the Creation Page requires signing in with a Google account.
Article 3 (Fees and In-App Purchases)
- The Game can be downloaded for free, and part of its content can be played for free.
- Additional content such as the "Adventure Pack" and "Garden Pack" can be purchased through in-app purchases (downloadable content on Steam for the PC version). All are one-time purchases that make the purchased content available.
- Using additional packs other than the "Adventure Pack" and "Garden Pack" also requires the Adventure Pack. If you no longer have the Adventure Pack due to a refund or similar, purchased additional packs cannot be used until you purchase the Adventure Pack again.
- Purchases are made through the payment systems of the App Store, Google Play, or Steam. Please check each store for prices. Refunds follow each store's terms and policies.
- Purchased content can continue to be used with the same store account through each store's restore purchases mechanism.
- If purchased content includes the use of Online Features, those features are available only during their service period. This includes creating online rooms, which is part of the Adventure Pack. A one-time purchase does not promise that Online Features will be provided indefinitely. Handling at the end of service follows Article 10.
Article 4 (Saved Data)
- Your progress, settings, and purchase status in the Game are saved on your device. The data on your device is the Game's saved data. Except where we temporarily hold it on our server through Data Sync as described in the following paragraphs, we do not hold this data and cannot restore it.
- Data on your device may be lost due to device failure, loss, a change of device, deletion of the Game, and so on. Please make backups at your own responsibility. Purchased content can be restored by the method in paragraph 5 of the preceding Article.
- When you use "Data Sync" in Settings, your progress (excluding purchase status and device settings) is sent to our server and held temporarily so that multiple devices can use the same progress. Data Sync is a feature that helps devices stay in sync, and we do not promise to keep the data on our server as a backup or for storage.
- We delete held data when it has not been used by any synced device for 180 days. It may also be lost or become out of date due to failures, changes in specifications, or other reasons.
- If you progress separately on multiple synced devices, the data you choose overwrites the other, and the progress on the side you did not choose is lost.
- Our liability for damage to users related to Data Sync (including loss or overwriting of data) follows Article 11.
Article 5 (Display Names and Posts)
- The display name you set, your ranking records, stages you post on the Creation Page (including their name, description, and author name), gardens you post to Community Gardens (including their title), and the information of co-op rooms you make public (together, "Posts") are shown to other users.
- You warrant that you hold the rights necessary for your Posts and that they do not infringe the rights of any third party.
- The copyright in stages and gardens you post ("Posted Works") belongs to you. You grant us, free of charge, the right to reproduce, publish, distribute, and display Posted Works, and to modify them to the extent necessary for display, for the purpose of providing, operating, and promoting the Service. You agree not to exercise moral rights against us or anyone we license.
- Within the scope of the license in the preceding paragraph, we may use a posted stage as the weekly theme for the Game's Endless mode (the map used for that week's Rankings). In that case, we use a copy of the content as of when it was chosen as the theme, and even if you later edit or unpublish the post, we may continue to use it for the period of that theme and afterwards to display that theme's records and Rankings.
- Even if you unpublish a posted stage, it is not removed from the devices of users who have already downloaded it.
- Posted stages are published after our review. We decide whether to publish them and may decline to publish without giving a reason.
Article 6 (Prohibited Conduct)
When using the Service, you must not:
- Violate laws, regulations, or public order and morals
- Publish display names or Posts that hurt others, are discriminatory or obscene, or make others uncomfortable
- Impersonate others, or include other people's personal information in display names or Posts
- Make Posts that infringe copyrights, trademarks, or other rights of third parties
- Create ranking records or obtain items or purchased content by improper means, such as using modified apps or external tools or tampering with communication
- Place excessive load on the Service's servers or network, or perform large numbers of operations by automated means
- Reverse engineer, decompile, or otherwise analyze the Game (except to the extent permitted by law)
- Copy, redistribute, sell, or rent the Game
- Repeatedly make false reports
- Transfer, lend, buy, or sell Data Sync codes, the Game's saved data, IDs, or similar, or offer to do so
- Any other conduct we deem inappropriate
Article 7 (Response to Violations)
If you violate these Terms, or if we determine there is a risk of violation, we may, without prior notice, hide or delete display names or Posts, delete ranking records, restrict use of Online Features, and so on. Our liability for damage to users resulting from this follows Article 11.
Article 8 (Intellectual Property)
Copyrights, trademarks, and other intellectual property rights relating to the Game belong to us or to their rightful owners (excluding the Posted Works in Article 5, paragraph 3). Credits for the assets used in the Game are shown in the Game.
Article 9 (Changes to and Interruption of the Service)
- We may change or add to the content of the Service.
- We may temporarily interrupt all or part of the Online Features due to system maintenance, failures, outages of communication lines, natural disasters, or other reasons.
- Updating the Game may be required to use Online Features.
Article 10 (End of Online Features)
- We may, at our discretion, end all or part of the Online Features.
- When ending them under the preceding paragraph, except where unavoidable, we will announce in the Game or on this website, at least 30 days before the end, which features will end, the end date, and how saved data will be handled.
- Ended Online Features can no longer be used, regardless of purchases. If online co-op ends, rooms can no longer be created or joined; if a posting service ends, posting, browsing, downloading, visiting, and so on of the relevant stages and gardens can no longer be done.
- Even after Online Features end, content that can be used on your device without our server, such as main-story progress and your own garden saved on your device and purchased stages, skills, and garden add-on content, can continue to be used. This does not mean continued use of ended Online Features. We will also make efforts so that downloaded Community Stages remain playable as long as they remain on your device.
- When Online Features end, we delete the information stored on our server for the ended features, such as ranking records, display names, and posted stages and gardens. We will announce the timing of deletion and any available ways to save data in the end-of-service notice. If the Creation Page ends, users who want to keep their posted stages should export them to files before the end. Deleting posts on the server is handled separately from the garden data saved on your device.
Article 11 (Disclaimer)
- We do not guarantee that the Service is fit for any particular purpose of yours, is free of defects, or is always available.
- If damage arises to you from using or being unable to use the Service due to our intent or gross negligence, we will compensate for that damage.
- If damage arises to you due to our negligence (excluding gross negligence), our liability is limited to direct damage that would normally arise, up to the amount you paid for in-app purchases in the Game in the month in which the damage arose.
- Disputes between users shall be resolved between the parties involved.
Article 12 (Minors)
If you are a minor, please obtain your parent or guardian's consent before using the Service. Please also obtain their consent before making in-app purchases.
Article 13 (Personal Information)
We handle information collected through the Service in accordance with our Privacy Policy.
Article 14 (Changes to These Terms)
We may change these Terms in accordance with the Civil Code of Japan. When we do, we will announce the changes and their effective date on this page or in the Game before the effective date. If you use the Service on or after the effective date, you are deemed to have agreed to the revised Terms.
Article 15 (Governing Law and Jurisdiction)
These Terms are governed by the laws of Japan. Any dispute relating to the Service shall be subject to the exclusive jurisdiction of the district court having jurisdiction over the location of our head office as the court of first instance.
Notation Based on the Act on Specified Commercial Transactions (Japan)
| Seller | Solutive Inc. |
|---|---|
| Person responsible for operations | Hidetoshi Shimizu |
| Address | Disclosed without delay upon request. |
| Phone | +81-568-58-3244 (weekdays 10:00–18:00 JST, Japanese only) |
| [email protected] | |
| Sales URL | https://rampart-knights.com/ |
| Products | Digital content in the Game (Adventure Pack, Garden Pack, etc.; one-time purchases). Prices are as shown in each store and in the app. |
| Costs other than the price | Data charges for downloading the app and for communication (as set by your carrier). |
| Payment method and timing | Paid at checkout through the payment methods of the App Store, Google Play, or Steam. |
| Delivery | Available in the Game immediately after payment is completed. |
| Returns and cancellations | Due to the nature of digital content, returns and cancellations after purchase follow each store's terms and policies. |
Contact
- Operator: Solutive Inc.
- Website: https://solutive.co.jp/
- Contact: [email protected]