Monkey Go Happy Stage 637 – Asterox ,Obelox and idefox invade a roman fort Theme is another episode of the very cute point & click adventure type escape game series MonkeyGoHappy developed by Robin Vencel for PencilKids. In this game, your aim is to find all the mini monkeys and make the monkey go happy! Click on objects and locations. Use items on specific spots to complete puzzles. Good luck and have fun!