1. Open the app and tap on the "Play" button to start the game.

2. You'll be placed on a pirate ship and you need to defend it from other pirate ships.

3. Tap on the screen to shoot your gun and take down the other pirates.

4. Aim for the other pirates' heads to take them down more quickly.

5. Keep an eye on your health bar at the top of the screen. You'll need to dodge the enemy's attacks and collect health power-ups to stay alive.

6. As you progress through the levels, you'll encounter more powerful enemies and tougher challenges.

7. Keep playing and see how far you can get!