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Upgrade your muscle head with tons of fun skins in this 3D adventure! Collect a huge range of wacky characters as you progress through levels, from traditional strong men to gym bros, athletes, wrestlers, superheroes and more. Customize your musculature to achieve maximum strength! Collect your own color dumbbell and Build up your body! Compete against other players or just have fun building the perfect physique. Features: * Collect tons of unique character skins * Customize your muscles for optimal strength * Compete in challenging levels * Collect a color dumbbell to aid in muscle growth Tags: 3D, Action, Adventure, Racing, Muscle, Fitness, Customization, Characters, Strength, Build Body Muscle Up, 3D adventure, customize muscles, character skins, fitness game, build body, strength, racing, adventure, characters, customization