To make your body muscular, you need to practice methodically using various sports equipment. Dumbbells are the most common and accessible inventory, and you will use them in Muscle Race 3D: Smash Running Game to reach the goal and complete levels. Your hero must collect red dumbbells. To turn from a skinny squishy into a mountain of muscles. Follow the scale pockmarked with the character. If it is full, run to the path to move the wall. Hurry up, the rivals are on the alert, it all depends on the speed of collecting dumbbells and running in Muscle Race 3D: Smash Running Game.