How to play Classic Space Invader?

1. Start the game by pressing the start button.

2. Use the Arrow keys or joystick to move your spaceship left and right.

3. Use the space bar to fire at the descending aliens.

4. Destroy as many aliens as you can before they reach the bottom of the screen.

5. If an alien reaches the bottom, it's game over.

6. Collect bonus Points by Destroying UFOs and special aliens.

7. When all aliens are Destroyed, you move on to the next level.

8. The game ends when you run out of lives.

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