Explore each mysterious scene and collect all the hidden monkey gargoyles. There are 15 of them and they are all hidden somewhere inside the evil scientist's castle. Don't forget to find the key to the castle door. Monkey Go Happy The Castle is provided to you by FunLand.com and is categorized into our puzzle games. This game was played 21,019 times and currently has a rating of 4.25 out of 5.00 after 69 votes.