The document describes GeoGame, a collaborative gaming tool that can be used to promote environmental and cultural heritage education. GeoGame allows users to locate photographs of places or monuments on an interactive map. For simple users, they view a photo and select its location on a map, seeing the correct location after their guess. Advanced users can create their own games by uploading photos and marking correct locations. GeoGame aims to help students and others discover interesting locations and learn about geography, history and the environment through an educational gaming experience.