GeoDuel - third-party visual data

Sebastian Lague: Geographical Adventures, MIT (LICENSE-Sebastian-Lague.txt).
Original project: https://github.com/SebLague/Geographical-Adventures
Colour and world-space normal atlases, NASA night-light map and geographic city-light samples are derived from assets supplied in that project.
Night lights source: https://earthobservatory.nasa.gov/features/NightLights

HYG star database: Astronexus, https://github.com/astronexus/HYG-Database
License: Creative Commons Attribution-ShareAlike 4.0 International
https://creativecommons.org/licenses/by-sa/4.0/
Adaptation: starPoints.bytes selects apparent magnitude <= 6 (excluding the Sun), converts RA/declination to unit directions, and retains magnitude and B-V colour index. This adapted dataset remains available under CC BY-SA 4.0 in the Unity source package. This notice concerns that dataset, not the independent game code.

Aircraft models Airport_Airplane1 / Airport_Airplane3 and palette textures were supplied by the project owner in Assets/Models. No author/license files were present. Source ZIPs retained. Derived import copies only reorient the model and omit collider faces. Confirm redistribution rights before publishing.

UI: Free Hologram Interface by Wenrexa, supplied by the project owner in Assets/UI. Nine original PNG files copied unchanged into the WebGL template for buttons, panels and icons.

Audio CC0: Kenney interface/impact/jingle packs, pauliuw Engine sounds(2), Luke.RUSTLTD wind1. Supplied in Assets/Audio. Wind excerpt converted to mono and crossfaded for looping; other selected clips copied unchanged. Selection manifest and Kenney licenses are in WebGL audio/.
Solar model: approximate NOAA equations, https://www.gml.noaa.gov/grad/solcalc/solareqns.PDF .

Results map: Natural Earth low-resolution country outlines, public domain, derived from the Natural Earth dataset supplied with Geographical Adventures. Coordinates projected to an equirectangular SVG; no additional runtime service. https://www.naturalearthdata.com/