1. Tap to start: When the game launches, you'll see the title screen. Tap the screen to start the game.

2. Navigate the ball: To navigate the ball down the tower, swipe left or right on the screen. Each swipe moves the ball one position to the left or right.

3. Avoid obstacles: As you navigate down the tower, you'll encounter obstacles in the form of spikes and gaps. Be sure to avoid these obstacles by swiping left or right to move the ball.

4. Collect coins: Throughout the tower, you'll see coins scattered around. Collect these coins by bouncing the ball into them.

5. Reach the bottom: The objective of the game is to reach the bottom of the tower without hitting any obstacles. If you hit an obstacle, the game is over and you'll need to start again.

6. Unlock new balls: As you progress through the game and collect more coins, you'll unlock new balls to play with. Each ball has a unique design and look.

7. Keep playing: Scary Helix is an addictive game that you'll want to keep playing. Try to beat your high score and challenge your friends to see who can get the highest score.