7 days with Opus 5.5: AI-built 4x5 km Unity island straight from Norway elevation data
imlo2 · reddit · 2026-10-15
Reddit user imlo2 shared day 7 of building a North Atlantic island in Unity URP using mostly Opus 5.5 (with Astra for critiques), testing how far AI could push their tech art and graphics skills.
- Terrain from official Norwegian 1m elevation data, reshaped into a 4x5 km island with a 1,000m peak, walkable from surf to snowy summit
- Nothing placed manually: procedural systems handle leaves, undergrowth, rocks and terrain; 25,000+ trees from a custom forest generator, plus hundreds of thousands of plants
- Includes ocean waves and underwater visuals, lakes, streams, waterfalls, forming clouds, rain, fog, starry sky and full day cycle
- Engine-direct footage runs above 60fps at 1440p with custom volumetrics, atmosphere, lighting and compute-shader geometry
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