This is a FREE Adaptation of The Mushroom Kingdom from the Super Mario Brother's series.
From the Author's Intro:
We all know Mario. Whether we played the original 8-bit NES ourselves or watched older brothers hog all the play time (even though Mom and Dad said “Share!”) we are all familiar with the efforts of the heroic plumber. This is a setting devoted to all those times we yanked the game pack out of the machine to blow on it, all the times the Hammer Brothers knocked us off in World 3, and every time you leaned to the right in your chair in the hopes that Mario might just jump a little further if you helped.