Effective Date: May 28, 2026
On this page, we publish the credits and acknowledgements for the external resources, various platforms, and development tools that have greatly contributed to the development and provision of the Service 'TowerFill' (hereinafter referred to as the 'Service').
1. External Libraries
In the analysis engines for 'TowerFill' and 'Sudoku (Numplace)' in this Service, the open-source library Sudoku Explainer, published under the GNU Lesser General Public License (LGPL) v2.1, is partially integrated and used for processing related to the logical thinking and placement rule determination of Sudoku. We are deeply grateful to the original author and the development community for providing such an excellent resource.
For the full text of the license of the external library used, please refer to LICENSE-LGPL.txt.
2. Customization and Disclaimers
The puzzle solutions and hints provided in this Service are output using an analysis system customized and optimized independently by our Team. In the unlikely event that there is an error in the output solutions or hints, it is due to our customization or system settings, and the original authors and right holders of the library bear no responsibility whatsoever.
Furthermore, this program and the output results are provided 'AS IS', and no party, including our Team, makes any warranty regarding the accuracy of operation or any damage resulting from its use.
3. Special Thanks
In achieving this project, we received tremendous support and convenience from the following platforms, services, and development tools. We express our deep respect and gratitude here.
- Development Infrastructure & Cloud Platforms (Supabase, GitHub, Cloudflare, etc.)：With the provision of excellent infrastructure platforms such as Supabase providing database, authentication, and server-side execution environment, GitHub providing code management and build environment, and Cloudflare supporting site performance and analytics, stable operation and smooth development of the Service have been realized.
- Google Services & Platforms：Through the provision of highly functional service suites such as typography by Google Fonts and access analysis by Google Analytics (GA4), convenience improvement and operational management of the Service have been realized.
- AI Coding Assistant 'Antigravity' Developed by Google DeepMind Team：Provided advanced technical support at our side throughout the design advising, implementation, bug fixing, and localization processes, strongly supporting the completion of this Service.
- Various Open-Source Communities and Contributors: We are deeply grateful to the numerous excellent open-source libraries that served as the foundation of this Service, and to the contributors around the world who support them.