Unicorn Farm

 You start by buying unicorns on the PEN sign.
Then you wait for the milking cool-down to end.
Cool-down reduces only in the pen (inside the fence).
After that you can milk them in the milker and sell the milk in shop.

CONTROLS:

WSAD - movement 
 Left click - pickup/release unicorn
E - interact (open/close)
1,2,3  - inventory slots