Brain Challenge for the Nintendo DS is a puzzle game designed to stimulate various cognitive functions. It falls within the 'brain training' and educational game genres. The game features a variety of mini-games and challenges that target memory, visual thinking, logic, concentration, and math skills. Players engage in daily tests and exercises to measure progress and supposedly increase mental fitness. The interactive format incorporates touch screen controls and is suitable for players of all ages looking to give their brains a workout in a fun and engaging way.