The game of mini mapping challenges
MapRoulette breaks up OpenStreetMap work into snack-sized “challenges.” Earn points by fixing validation issues, turning nodes into areas, adding missing tags, and through countless other little tasks that contribute to a healthier map.

Meet the team
News and talks
MapRoulette joins OSM US as a Charter Project
We are excited to announce that MapRoulette is now part of the growing network of Charter Projects supported by OpenStreetMap US. MapRoulette is an open, collaborative and cooperative microtasking platform for improving...
A MapRoulette Travel Guide
MapRoulette is the micro tasking platform for OpenStreetMap. Mappers on all continents use it to fix common mapping errors one at a time: crooked roads, misspelled names, mistagged points of interest. In...
MapRoulette Overview
This OpenStreetMap US Virtual Mappy Hour features an overview of the MapRoulette project with guest presenter Martijn van Exel.
MapRoulette: Microtasking for OpenStreetMap
In this talk, Martijn will introduce MapRoulette and show you how you can use this Micro-Tasking tool to help improve OSM! MapRoulette is a website that lets you solve small problems (Tasks)...