A real time outdoor escape game designed based on Ionic3 and Firebase. This app is capable of hosting 50-200 alumni and students within the school of EEE in NTU. The app is used frequently to support the outdoor escape game events. Features and functions include introduction slides, real-time game syncing, auto-login, real-time communication, puzzle-solving, google map, in-page doodling, team-ranking, team grouping, image uploading & camera. It is also an open platform for the other students to edit and organise their own game.