Super Mario Day and Night is an action-adventure game that continues mario's adventures from Super Mario Galaxy. There is a new day-night function that mario has to interact with. There is a clock, like in Pikmin, that seperates day from night. You start most levels in daytime, but they just go to nighttime. Day and Night effect gameplay. In Daytime, you get Sun Stars. But in Nighttime, you get Moon Stars. Also the enemies vary to night and day.At night some exclusive enemies that are sleeping at day wake up. Your surroundings sometimes are diffrent between day and night. The enemies are harder at night and spookier too. Daytime the enemiess are easy and clumsy.