A good ice cream

1. Use mouse click/drag the ice cream cone

2. Press 'space' key to turn on the ice-cream machine

3. Start game a paw ask you for ice cream, make an ice cream give it to the paw

4. The price of an ice cream is depends on the amount of cream you put

5. When you loss some cream, you also lose some money

6. You have 120 sec to earn money

7. How much can you make in 120 sec by making ice cream?

ps: let me know if any one need project source code.