1. There are many levels in the game, and many of them can be used flexibly to help players break through the level faster. 2. You need to pay attention to observation. Merging balls with different numbers according to the level invitation is still a great test of players' mathematical knowledge. 3. Many props can help players to pass customs faster, constantly form more numbers and harvest super high customs clearance rewards. Autocross Madness, 3D racing game, puzzle game, racing game, arcade game, ball merging, level breaking, mathematical skills, high scores, racing challenge, adventure game, 3D graphics, realistic racing, brain teaser, high definition, easy controls