Be the 1 Challenge: The Guardian Code is an Android app developed by the Ministerio de Educación Nacional in partnership with the British Council. It falls under the Education & Reference category and is available for free. The app offers new missions and challenges that allow users to progress to the next level of English.

The app has levels Pre A1, A1, A2, and B1 to choose from to challenge your knowledge. It is possible to use the app offline after registering, and if you connect it to the internet, your progress and advancement data will be shared with your English teacher. Be the 1 Challenge: The Guardian Code is a gamified application aimed at students from grades 4 to 11 of official and private educational institutions.