1. Launch the game "Autocross Madness" on your mobile device and select a level to begin.

2. Each level presents a unique challenge where you must merge numbered balls to progress.

3. Observe the numbers carefully and combine matching or compatible numbers to create higher values.

4. Use your mathematical logic to decide the best merging strategy for maximum efficiency.

5. As you advance, new levels introduce more complex puzzles and require quicker decisions.

6. Take advantage of in-game props and power-ups, which can boost your progress and help clear difficult stages faster.

7. Collect rewards by successfully completing levels and use them to unlock new features or purchase helpful items.

8. The game features dynamic, 3D racing scenes that immerse you in high-speed environments.

9. Enjoy ultra-high-definition graphics that realistically replicate the feel of real autocross events.

10. The control scheme is simple and intuitive, allowing you to focus on strategy rather than mastering controls.

11. All tracks are designed to be smooth and level, providing a fair and consistent racing experience across all plays.