Halloween event 2026

Everyone knows Grandma, but no one really knows what she does at home. Behind the doors of her mansion, among her antiques and dusty trinkets, lie far more disturbing hobbies... Disturbing experiments, uncontrollable mutations, and grotesque creatures: Grandma transforms her victims into unique specimens to complete her masterpiece. This October, her collection grows. Discover MUTATION, the Halloween event presented by Complexe Atlantide, on October 16, 17, 23, and 24, 2026.