AddRiddle is a free Android game that tests players' quick thinking and mathematical skills. The objective is to adjust the current value to match a target value by clicking on plus or minus buttons within a strict time limit. Players must strategize their moves to succeed, making it a thrilling experience that combines elements of puzzle-solving and time management.

The game presents a unique challenge as players race against the clock to achieve the target value. Failure to do so results in a loss, adding a layer of intensity to the gameplay. AddRiddle is designed for those who enjoy mental challenges and want to improve their numerical agility in a fun and engaging way.