Terms of Use
Last Updated: November 1, 2025
Acceptance of Terms
By accessing or using TrueSize ("the Service"), including our website at truesize.net, mobile applications, and the TrueSize Challenge game, you agree to be bound by these Terms of Use. If you do not agree to these terms, please do not use the Service.
Description of Service
TrueSize is an interactive educational tool that allows users to:
- Compare true sizes of countries, regions, and territories on a map
- Move, rotate, and position geographic shapes to understand map projection distortion
- Access historical borders and territories from various time periods
- Play the TrueSize Challenge game to test geography knowledge
- Export and share geographic visualizations
- Import custom geographic data (GeoJSON/TopoJSON)
Eligibility
You must be at least 13 years of age to use the Service. By using the Service, you represent and warrant that you meet this age requirement.
License and Restrictions
Limited License
We grant you a limited, non-exclusive, non-transferable, revocable license to access and use the Service for personal, non-commercial purposes, subject to these Terms.
Prohibited Uses
You agree NOT to:
- Use the Service for any illegal purpose or in violation of any laws
- Reproduce, duplicate, copy, sell, resell, or exploit any portion of the Service without express written permission
- Modify, reverse engineer, decompile, or disassemble any part of the Service
- Use automated systems (bots, scrapers, crawlers) to access the Service without authorization
- Interfere with or disrupt the Service or servers/networks connected to the Service
- Attempt to gain unauthorized access to any part of the Service, user accounts, or computer systems
- Remove, obscure, or alter any copyright, trademark, or proprietary notices
- Use the Service to transmit viruses, malware, or harmful code
- Impersonate any person or entity or misrepresent your affiliation
- Collect or harvest personal information about other users
Geographic Data
- Map data is sourced from OpenStreetMap and other geographic data providers
- Satellite imagery is provided by third-party tile services
- You are responsible for verifying the accuracy of any data displayed
- Territory boundaries and names may be disputed and are shown for educational purposes only
User Content
Content You Upload
When you import custom GeoJSON/TopoJSON files:
- You retain all rights to your content
- You grant us a worldwide, non-exclusive license to display your content within the Service
- You represent that you have the right to upload and share this content
- We are not responsible for the accuracy or legality of user-uploaded content
URL Sharing
- Shareable URLs contain compressed map state data
- URLs you generate may be publicly accessible to anyone with the link
- Do not include sensitive or private information in your map configurations
- We reserve the right to remove or disable URLs that violate these Terms
TrueSize Challenge Game
Game Terms
By playing the TrueSize Challenge game:
- You acknowledge that the game is for entertainment and educational purposes only
- High scores are stored locally in your browser and may be reset
- We do not guarantee continuous availability of game features
- Game content (territories, difficulty levels) may change without notice
- We reserve the right to modify or discontinue the game at any time
Fair Play
You agree to:
- Play the game honestly without using automation or cheating tools
- Not exploit bugs or glitches for unfair advantage
- Not interfere with other users' game experience
Analytics and Advertising
Analytics
We use analytics tools (including Google Analytics) to:
- Track usage patterns and service performance
- Understand user behavior and preferences
- Improve features and user experience
- Generate anonymized statistics
Advertising
The Service may display advertisements:
- We partner with third-party advertising networks
- Ads may be personalized based on your browsing activity
- You may see ads before, during, or after using features
- Ad blockers may affect Service functionality
- We do not control the content of third-party advertisements
See our Privacy Policy for details on data collection and use.
Intellectual Property
Our Rights
All content, features, and functionality of the Service, including but not limited to:
- Software code and architecture
- User interface design and graphics
- Logos, trademarks, and brand elements
- Game mechanics and difficulty algorithms
- Documentation and tutorial content
...are owned by TrueSize or our licensors and are protected by copyright, trademark, and other intellectual property laws.
Geographic Data
- OpenStreetMap data is available under the Open Database License (ODbL)
- Satellite imagery is provided by respective tile services
- Historical territory data is compiled from public domain sources
- Individual country flags and symbols are subject to their respective copyrights
Trademarks
"TrueSize" and related marks are trademarks of TrueSize. You may not use our trademarks without prior written permission.
Third-Party Services
The Service integrates with third-party services:
- Map Tile Providers: OpenStreetMap, satellite imagery providers
- Analytics: Google Analytics and similar services
- Advertising Networks: Various ad networks and exchanges
- CDN and Hosting: Content delivery and cloud infrastructure providers
Your use of these third-party services is subject to their own terms and policies. We are not responsible for third-party services or content.
Disclaimers
"AS IS" Service
THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
Accuracy
- Geographic data may contain errors or inaccuracies
- Territory boundaries shown are for educational purposes and may not reflect current political boundaries
- Historical borders are approximations based on available historical records
- Population and area statistics are estimates from various sources
- We do not guarantee the accuracy, completeness, or timeliness of any information
Availability
We do not guarantee that:
- The Service will be uninterrupted, secure, or error-free
- Defects will be corrected
- The Service is free from viruses or harmful components
- Results obtained from the Service will be accurate or reliable
Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY LAW:
- WE SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES
- WE SHALL NOT BE LIABLE FOR ANY LOSS OF PROFITS, DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES
- OUR TOTAL LIABILITY SHALL NOT EXCEED $100 USD OR THE AMOUNT YOU PAID TO US (IF ANY) IN THE PAST 12 MONTHS
This limitation applies regardless of the legal theory (contract, tort, negligence, strict liability, or otherwise) and even if we have been advised of the possibility of such damages.
Indemnification
You agree to indemnify, defend, and hold harmless TrueSize, its officers, directors, employees, and agents from any claims, liabilities, damages, losses, costs, or expenses (including reasonable attorneys' fees) arising from:
- Your use or misuse of the Service
- Your violation of these Terms
- Your violation of any rights of another party
- Your uploaded content or shared URLs
Geographic and Political Neutrality
- Territory boundaries and names shown are for educational and illustrative purposes
- Display of any territory does not imply political endorsement or recognition
- We acknowledge that borders and territorial sovereignty are subject to international law and may be disputed
- Users should refer to official sources for authoritative geographic and political information
Modifications to Service
We reserve the right to:
- Modify, suspend, or discontinue any part of the Service at any time
- Change features, functionality, or game difficulty
- Update geographic data, maps, and territory information
- Impose limits on usage or features
- Require software updates for continued access
We are not liable for any modifications, suspensions, or discontinuations.
Modifications to Terms
We may update these Terms from time to time. Changes will be effective when posted with an updated "Last Updated" date. Your continued use of the Service after changes constitutes acceptance of the updated Terms.
Material changes will be communicated through:
- Notice on the website
- Update to the "Last Updated" date
- Other reasonable means
Termination
By You
You may stop using the Service at any time. Your data stored locally in your browser will remain until you clear it.
By Us
We may terminate or suspend your access to the Service:
- For violation of these Terms
- For illegal or fraudulent activity
- At our sole discretion for any reason
- Without notice or liability
Effect of Termination
Upon termination:
- Your license to use the Service immediately ends
- You must cease all use of the Service
- Provisions that by their nature should survive termination will survive
Governing Law and Jurisdiction
These Terms shall be governed by and construed in accordance with the laws of the United States, without regard to conflict of law principles.
Any disputes arising from these Terms or your use of the Service shall be resolved through:
- Informal negotiation
- Binding arbitration (if negotiation fails)
- Courts with jurisdiction in our designated location (if arbitration is unavailable)
Severability
If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions shall remain in full force and effect. The invalid provision shall be modified to the minimum extent necessary to make it valid and enforceable.
Entire Agreement
These Terms, together with our Privacy Policy, constitute the entire agreement between you and TrueSize regarding the Service and supersede any prior agreements.
No Waiver
Our failure to enforce any right or provision of these Terms shall not constitute a waiver of such right or provision.
Assignment
You may not assign or transfer these Terms or your rights hereunder without our prior written consent. We may assign these Terms without restriction.
Contact and Reporting
For questions about these Terms, to report violations, or for other inquiries:
- Visit our community: reddit.com/r/TrueSize
- Report abuse or violations through available channels
- For legal matters, contact us through appropriate legal channels
Special Provisions
Educational Use
Teachers and educators may use the Service in classroom settings. We encourage educational use but ask that you:
- Credit TrueSize when appropriate
- Do not redistribute our content as your own
- Comply with all other Terms
Commercial Use
Commercial use requires prior written permission. Contact us to discuss licensing arrangements.
Research and Academic Use
Researchers may use the Service for academic purposes. We ask that you:
- Cite TrueSize in publications
- Share how our Service contributed to your research
- Comply with all applicable research ethics guidelines
By using TrueSize, you acknowledge that you have read, understood, and agree to be bound by these Terms of Use.
Last Updated: November 1, 2025