Map 555 was the map for the Carnival 2012 event. Confetti was introduced in the event. Mice could throw confetti by pressing E or clicking the confetti button in the GUI. At the time of the event, confetti had a use. To get the carnival items in the event, the mice had to throw confetti 5 times. Map 555 was removed on 28 February 2012 along with the event.