Monkey GO Happy 2 by Pencil Kids is the perfect way to get rid of the office blues Credits:Monkey GO Happy 2 is developed by pencil kids. How to Play: How to Play:At the beginning of each level, you’re presented with a heart-breakingly depressed monkey duo and a puzzle to solve by clicking on different objects. Solving the puzzle makes the monkey happy! Then it’s on to the next depressed monkeys. The 16 games are mostly straightforward, although some need you to think outside the box.