Piranha Plant Plains is Ptpix1's first custom track. The model was originally created by RoxDesigns, but Ptpix1 made a number of changes and additions to it. RoxDesigns' original model can be seen here. The track begins in a grassy field area filled with trees, Piranha Plants, and a Chain Chomp. After reaching a cannon, players race inside of a cave before reaching another cannon that connects to another cave. After this, players must race on a boardwalk that offers a split path towards the end.