OpenStreetMap US

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

Mar 9, 2023 · OpenStreetMap US Staff

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

Apr 2, 2022 · Martijn van Exel

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

Aug 5, 2020 · Martijn van Exel

This OpenStreetMap US Virtual Mappy Hour features an overview of the MapRoulette project with guest presenter Martijn van Exel.

MapRoulette: Microtasking for OpenStreetMap

Sep 7, 2019 · Martijn van Exel

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)...