Gym Stack is an amazing and beautiful 3D puzzle game. Through the classification of colorful dmbbells to solve the game. When you fold up colorful Doughnut, enjoy the spiritual challenge. Think, develop strategies, and predict every step of the way. Don't miss our new strategy game Gym Stack! Gym Stack, puzzle game, strategy game, hypercasual, arcade game, dumbbell, doughnut, 3D puzzle, mobile game, casual game, brain teaser, challenge, fun, addictive, fingers, gameplay, easy to play