How do you beat roller coaster 15 on friv?

To beat Roller Coaster 2 in Friv, follow these steps:

1. Start by accelerating at the beginning to set a high score.

2. Use the arrow keys to control the coaster's direction and maintain speed.

3. Avoid obstacles such as trees, rocks, and other obstacles that can cause the coaster to crash.

4. Collect as many coins as possible without sacrificing safety.

5. Focus on maintaining speed throughout the course.

6. Be precise in your actions to get through tight spaces.

7. If the coaster begins to tilt, quickly adjust the controls to prevent a crash.

8. Utilize checkpoints to save progress.

9. Take advantage of ramps to gain air time and maintain speed.

10. Practice and improve your skills by retrying the level until you beat it.