Beach Bowling Dream VR

A lucid dream about getting ship-wrecked on a deserted island and finding that the materials from your ship have been turned into a beach bowling alley by a friendly ghost of a pirate! A fun room-scale experience/mini-game for the HTC Vive. Can you unlock the pirate's treasure chest? The lock on it looks fairly brittle...
Minimum Requirements
HTC Vive with a reasonable room configuration for swinging your arm in a bowling motion (probably 4'x6' minimum, but larger is better).
Playing Instructions
Use the Vive controller's triggers to pick up and let go of the cannon balls. Bowl underhand or throw them overhand - it's your dream, nobody is going to stop you!