Monkey Go Happy: Castle is here! Uhh, all lovely, mini monkeys were abducted to a scary fortress, where an evil scientist transformed them into dark creatures. Start a rescue operation, but first go to the character screen and choose a sad ape you want to play with. Aim is to make the monkey go happy by finding all hiding little gargoyles. So explore the castle, click on interactive objects and combine different items together to cause a chain of action to complete your mission.