Find all 3 hearts in each stage to make the Monkey GO Happy. An EVIL scientist has turned the Mini Monkeys into little gargoyles. Find all 15 and turn them back! Make the Monkey GO Happy!. The massively popular Monkey GO Happy game is back again and another Monkey joined the team! Solve puzzles, shoot stuff and more!. Play cool gamesmath games, reading games, girl games, puzzles, boule regeln games, print coloring pages, read online storybooks, and hang out with friends while playing one of the many virtual worlds found on PrimaryGames. Top Games Top Videos. Monkey GO Happy - Xmas Time! This game requires Adobe Flash Player. In Monkey GO Happy 4 it's your job to cheer up these sad apes. Monkey GO Happy Chocolate.