1. Launch the game "Extreme Buggy Truck Driving 3D" on your mobile device.

2. From the main menu, select your desired game mode. There are six unique modes to choose from, each offering a different challenge.

3. Pick your vehicle from a variety of available options, including dune buggies and monster trucks. As you progress, you can unlock and upgrade more vehicles.

4. Once in the race, use the on-screen joystick or tilt controls to steer your buggy truck around the 3D race tracks.

5. Accelerate and brake using the on-screen buttons to maintain control and speed through curves and obstacles.

6. Compete against rival drivers who each have distinct personalities and special abilities that affect the race.

7. Collect powerups during the race such as Dodgeball Frenzy, Fireball, and Oil Slick to gain an advantage over your opponents.

8. Tap the fire button on the screen to use your collected powerup at the right moment and disrupt rival drivers.

9. Navigate through 15 imaginative and dynamic race tracks, each with its own set of challenges and surprises.

10. Win races to earn rewards, unlock new vehicles, and upgrade your current ones for better performance.

11. Continue racing, mastering each game mode, and dominate the competition with speed, skill, and strategy.