Collect your own color dumbbell and Build up your body !! You break through the some gimmick to the goal using your toughness muscle!! Aim at the goal earlier than anyone else!! Muscle Race 3D, 3D running game, Hypercasual game, running game, dumbbell, fitness game, race game, muscle building, speed, competition, HTML5 game, adventure game, boys, strategy game, mobile game, free to play, leaderboard, obstacle course, high score, gaming, fun