- Earn your first money by pressing a "Y" button.

- Increase your income by buying new elements of Windmill Engine like sails, rails, wheels.

- Use a Millstone to upgrade all your engine parts.

- Oil decreases your engine phase and your windmill will earn more money every second.

- Learn new technologies to open Gristmill, Oil mill and Sugar mill.

- Beware of breakdowns! Breakdowns will decrease your income money every second.

Build a full Windmill Engine and earn a billion dollars!