Kukoo Machines are high-tech machines that you need to test. All you need to do is preparing food and giving it out to the customers.
It seems like an easy job at first, although it gets more and more difficult as the customers keep coming and create a line. Try to be as quick and efficient as you can be to keep people satisfied.
Kukoo Machines is one of a whole lot of free online games you can play online at dcflashgames.com.