Mario Calculator - Cheats Your Birthday easter eggWhen you add a problem that has you system birthday as the answer Example 210 210 The princess will come and fireworks will appear Jump to a section: Home Releases Credits Characters List Overview Walkthrough Achievements Cheats Share Cheats with others < Prev: Achievements Do you want to earn money creating pages just like this? Gamewise is currently looking for writers, find out more here. Around the Network Mario Calculator Brainwaves View all → Mario Calculator Cheats