Starlit Island Hop

Controls:

W, Space, Z - Add lift to balloon

R - reset

Left Click - Start game

Collect the gems and land near the castles to deliver them and increase your score! But be careful, gems weigh down your balloon making it harder to lift, and landing too hard will destroy your balloon!

Coded in Smalltalk for the 48 + 8 jam. Can you get the max score of 1600?