Monster High: Hidden Numbers is a Puzzle game. You can play Monster High: Hidden Numbers in your browser for free. Who doesn`t love Monster High? For those who are in love with these little ghouls, this is the right game for you!! Play the `Monster High Hidden Numbers` puzzle game and show off you detective skills while helping the cute ghouls find the numbers scattered all over the school. Use your magnifying glass to search the pictures, point in the right spot in order to track down the numbers hidden in each picture and help the cute ghouls find all the missing numbers! Good luck and have fun!