Play Monkey Go Happy Mayhem for free on CrazyGames. It is one of our best Puzzle games!. FLASH GAMES: Monkey Happy Planet Escape. Monkey Happy Chocolate. Monkey Happy Army Base. casinogamesbookofra.win Monkey GO Happy Ninja Hunt. In Monkey Go Happy it's your job to cheer up this sad ape. Each level is a puzzle or game you must solve. Solve them all as fast as you can to get the highest.