Shoot the rum bottles directly, ricochet a shot into them, or knock rocks into the bottles to smash them.
Be careful with your shot angle so you don’t hit yourself off a ricochet.
Play through all 40 stages.

Press the PLAY button in the upper left of the welcome screen to bring up the level select screen.
Levels are unlocked sequentially.
Your web browser automatically saves your game progress.
Under the PLAY button the welcome screen contains a SETTINGS button which brings up a menu overlay for game sound, game music, and resetting game progress