CC0 (CC0-1.0)commercial OKCredit: Not requiredverified 78d agoGo to source
NOAA global relief model integrating topo + bathy (15″ / 30″ / 60″; ice-surface and bedrock). Handy single grid for planet views and tsunami-style water sims. Not for navigation.
[](https://tmhsdigital.github.io/Free-Game-Dev-Assets/entry/etopo-2022/)
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Overlaps GEBCO Grid for oceans; pick one pipeline and stick to it.
Evidence
NCEI metadata Constraints (2026-08-24): “produced by NOAA and are not subject to copyright protection in the United States. NOAA waives … rights … through Creative Commons Zero 1.0” (SPDX CC0-1.0).