Daily geo-guessing game built on openly licensed street photos
Guess where a street photo was taken from clues on the ground; five free rounds a day using open imagery.
- Game
- Puzzle
- Medium build
- 6-10 weekends
- Researched by ProjPilot
The problem
Geo-guessing is a popular genre, but the best-known game limits free play, and most free alternatives run on Google Street View, which is billed per use above a monthly cap. That cost is why free versions come and go. Teachers and casual players want a short daily round without an account or subscription.
For: Geography fans · Teachers and students · Daily-puzzle players
Why now
Since March 1, 2025, Google Maps Platform has replaced its $200 monthly credit with a free usage cap for each core SKU; Dynamic Street View is free for 5,000 events a month, then $14 per 1,000. Mapillary shares all of its street-level images under a CC BY-SA license.
Demand signals
Monthly Google searches in the US, pulled 2026-09-24. These are the words people with this problem actually type.
What exists already
- GeoGuessr ↗The free tier includes only the Daily challenge; unlimited play costs $3.99/month billed yearly.
- WorldGuessr ↗Free and unlimited with ads; built on Google Street View.
- OpenGuessr ↗Free, unlimited and ad-supported; built on Google Street View.
- StreetSeekr ↗Open-source hobby project built on Panoramax open imagery; multiplayer rounds, no daily mode listed.
MVP scope
- Five daily rounds from openly licensed street-level photos, same for everyone
- Guess on an OpenStreetMap map; score by distance
- Clue notes after each round (road markings, signs, plants)
- Spoiler-free share card
- Classroom mode: teacher picks a region and shares a join code
- Photo credit and license shown on every round
How it could make money
- Free daily game; supporters $3/month for unlimited rounds and custom maps
- Classroom plan, $40/year per teacher
Suggested stack
- MapLibre GL + OpenStreetMap tiles
- Mapillary or Panoramax imagery
- Cloudflare Workers + D1
Sources
- Google Maps Platform March 2025 changes (Google for Developers) (accessed 2026-09-24)
- Google Maps Platform pricing (Google for Developers) (accessed 2026-09-24)
- CC-BY-SA license for open data (Mapillary Help Center) (accessed 2026-09-24)
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