Walter Case is an urban Escape Game that is played in the streets of Lille. While investigating a banal story of blackmail against a billionaire CEO, you learn that a bomb is hidden in town, ready to explode in two hours! You are the only one with enough leads to defuse it in time... Tick, tock, tick, tock: the countdown has begun! You will play as a private detective and experience an immersive police investigation in the heart of the city! The story will evolve according to your choices: only you decide the route to follow, the suspects to question and the places to search. Will you be up to this mission?