Complete all 22 stages and release the bats to make the Monkey GO Happy! Pole Monkey GO Thanksgiving Monkey GO Happy Halloween Monkey GO Happy Xmas Time! If game does not load, try installing the newest Flash Player. Play Monkey GO Happy flash games on PrimaryGames. Cheer up that sad monkey, please!. 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.