List of Mario Kart 8 pre-release and unused content

This is a list of beta elements for the game Mario Kart 8.

Early builds
Twisted Mansion was originaly called Boo House, Toadette was originally going to be a starter character. The E3 build of Mario Kart 8 featured slightly different Mario Circuit music. Kart noises in the E3 build are recycled from Mario Kart Wii. They are replaced by new engine noises. Character voices are recycled from previous games in the E3 build. Newer builds provide newer voices. Players are unable to slipstream in the E3 demo. Characters did not hold items in their hands in the E3 demo. The Galaxy Air advertisement in Toad Harbor at the starting line was replaced by a Flower Cup logo.