Mushroom Kingdom

The Mushroom Kingdom is a fictional setting in Nintendo's Mario series. The Mushroom Kingdom is an iconic location from the Mario franchise which is the setting of most main-series Mario games though it is presented very inconsistently throughout the series. It is ruled by Princess Peach and is inhabited by Toads.
======
the mushroom kingdom castle was introduced in 1996 for the game Super Mario 64 for the Nintendo 64. And then featured in Mario Kart 64. For the N64 again.