# Third-party assets Map data: Natural Earth 1:110m Land (Public Domain). Source: https://github.com/nvkelso/natural-earth-vector/blob/master/geojson/ne_110m_land.geojson Terms: https://www.naturalearthdata.com/about/terms-of-use/ Verified on 2026-09-23: all 127 embedded feature geometries exactly match the source GeoJSON. The existing map coordinates have been retained unchanged. Source file SHA-256: `9e0729ee253ca7d7a5c4ae9395fb1902264c5377c52e224d13dd85010e2835d9` Natural Earth permits personal, educational and commercial use, modification and redistribution. Attribution is optional and included here for traceability. Fonts: system fonts, no bundled font files. Audio: generated by Web Audio API, no third-party recordings. UI symbols and canvas renderer: inline application code, no external icon package or map SDK.