The upcoming Nintendo Switch 2 title, Mario Kart World, introduces hidden challenges with exclusive courses. Beyond the standard race circuits, players can discover four special routes unlocked after conquering event-specific milestones. Each track boasts unique environmental hazards, elevation changes, and creative themes to test racing mastery.
Hidden Circuit Guide for MKW

Four concealed raceways await discovery in MKW:
- Rainbow Road
- Peach Stadium
- Mario Circuit
- Acorn Heights
Accessing Rainbow Road
This gravity-defying course floats among constellations, demanding precision on its narrow pathways. Complete all Grand Prix categories before attempting its treacherous bends in the Special Cup finale.
Opening Peach Stadium




Unlock this royal arena by finishing Mushroom, Leaf, Shell, Lightning, Star, Flower, and Banana tournaments. The stadium features dynamic obstacles that evolve during laps.
Revealing Mario Circuit
This retro-inspired track becomes available after clearing every Grand Prix event, requiring no podium finishes. Its twisting paths reward memorization of alternate routes.
Discovering Acorn Heights
Accessible through the Special Cup, this autumn-themed woodland course appears after completing seven championship series. Watch for shortcut opportunities beneath falling foliage.