Aris Solitaire is a card game that lets classic solitaire combine with mathematical brain teasers including addition, subtraction, multiplication, and division, all related to reaching a target number. Such gameplay tests strategic and quick thinking, hence a very good exercise for the brain. The steps of the game are simple, but it requires careful calculation and sharp, critical decision-making. Aris Solitaire is an enjoyable yet educational math sharpener for any age.