$ cat ~/projects/missioncallguess/README
MissionCallGuess
Where will they serve?
- Role
- Creator · Developer
- Years
- 2026 – present
- Status
- Live
- Links
- missioncallguess.com
The story
Opening a mission call is a big moment for Latter-day Saint families, and guessing where the missionary will go is half the fun. MissionCallGuess turns that into a shareable game.
Each missionary gets their own page with an interactive world map of mission boundaries. Friends and family drop their guesses, and after the reveal a leaderboard ranks everyone by distance.
Highlights
Interactive mission map
Click mission boundaries on a MapLibre GL JS map built from GeoJSON mission data.
Personal game pages
Every missionary gets a friendly URL to share, like /g/elder-smith.
Flexible guessing
Separate US and foreign guesses, or a set number of guesses of any kind.
Results and leaderboard
After the reveal, distance math shows who guessed closest.
Built with
- Bun
- Elysia
- TypeScript
- SvelteKit
- PostgreSQL
- MapLibre GL JS
- Docker Compose