60 awesome tracks
Build your own
Beat your best time

Start Your Engines!

Xtreme loves racing. Brooke loves building. Together they created the most epic Under the Bed racetracks and you get to race them! Choose a kart, pick a track, and battle your opponent to the finish line. Get power-ups and dodge obstacles to achieve a flawless run.


Build! Build! Build!

Assemble pieces and obstacles to design the wildest track you can imagine. When you’re done, build another and post it for your friends to check out. Earn coins to unlock new karts, track pieces, and more.