- 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!

More details on the official game page of Windmill Engine ...