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Warsaw in voxels

An interactive 3D map of the city centre

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Explore central Warsaw in voxels - slightly inspired by Minecraft, and MagicaVoxel. You can change the date, time of day and weather, explore the city, or click on a pedestrian to control them (here a bit of inspiration from Dungeon Keeper).Works best on desktop, but I tried to make it usable on mobile too. The initial load can take a while. It's based on several open datasets, including:- OpenStreetMap (https://www.openstreetmap.org/#map=6/52.02/19.14) - buildings, streets, sidewalks, tram tracks, etc- GUGiK / Geoportal (https://www.geoportal.gov.pl/) - LiDAR for building heights and trees, aerial imagery for colours- Warsaw's city tree database (https://mapa.um.warszawa.pl/) - individual tree species, used for seasonal foliageOpen-source (https://github.com/stared/warsaw-vibe-voxel), so feel invited to (re)use it as you wish!

HN · launched Nov 2, 2026 · 325 upvotes (top 3%) · 0 views

Niche: interactive mapping platforms · 191 launches, 16 in the last 7 days ▲ +7% · Explore this niche →

Category and tags
  • Horizontal
  • B2C
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

More like this: all 191 launches in interactive mapping platforms →

Could you build this?

Yes A 3D voxel rendering of a city built from public map data (such as OpenStreetMap) with time, weather, and pedestrian controls is well within reach of WebGL/Three.js with AI assistance.

What it would actually take: Use OpenStreetMap or public building footprints and height data, convert them into voxel grids with a script, and render with Three.js or a voxel engine. Add a day/night and weather shader, simple pedestrian AI, and click-to-control logic. Performance tuning for mobile is the main effort, not a missing dataset.

Discussion

18 comments analyzed.

Competitors mentioned: Streets of Prague

Concerns raised: Old Town and Royal Palace missing from the map, Some buildings and areas are inaccurate, Too heavy for phones and Safari, Rendering artifacts on fractional-scale monitors

Feature requests: Live public transit and traffic data, Sunny default weather instead of rain, Lighter mobile version, Minecraft or walkable port

Competitors

Other products that read as similar to this one : 167 launches clear the similarity bar, closest 8 shown.

Attention rank: #5 of 168 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 347 days after the earliest competitor.

  • realworldmc · github · 2026-10-09 · 29 upvotes · similarity 0.48
  • A map of cafes that are in the sun · hn · 2026-07-16 · 8 upvotes · similarity 0.47
  • random-city · github · 2026-09-09 · 13 upvotes · similarity 0.44
  • Maptoolkit.org · hn · 2026-07-22 · 12 upvotes · similarity 0.43
  • City Compare · ph · 2026-10-29 · 1 upvotes · similarity 0.43
  • 3d-city · github · 2026-11-03 · 23 upvotes · similarity 0.42
  • EstateView 3D · ph · 2026-10-07 · 2 upvotes · similarity 0.41
  • izomapa · github · 2026-11-03 · 54 upvotes · similarity 0.41

Related data

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