Wario returns in Mario Kart 7 for Nintendo 3DS. He is a heavyweight racer again and is now an unlockable racer for the first time in the Mario Kart series. He follows his unlockable trait with Waluigi in Mario Kart Arcade GP DX. His Staff Ghost tracks are: Frappe Snowland (Mario Kart 64, Mario Kart DS) Choco Mountain (Mario Kart 64, Mario Kart DS) Chain Chomps also appeared in Mario Kart: Double Dash!! as a special item and an obstacle on circuit courses, and reappeared as an obstacle in Mario Kart DS and Mario Kart Wii. Also in Mario Kart Wii, a Chain Chomp has its own battle arena known as Chain Chomp Wheel. Chain Chomps are also seen on Rainbow Road in Mario Kart 64, repeatedly biting ... The Dream Events feature extreme actions and power-ups, like Roller Coaster Bobsleigh, which finds players speeding down the icy, looping Speed Highway level from the Sonic the Hedgehog series and Snow Day Street Hockey, which takes place in the tropical setting of Delfino Plaza from the Super Mario Sunshine game. (2003) - Main Theme - Mario Kart Double Dash Music- Shinobu Tanaka, Kenta Nagata. Nintendo EAD. 01:52:21 Xenoblade Chronicles (2010) - Main Theme - Xenoblade Music - Manami Kiyota, ACE+, Yoko Shimomura, Yatsunori Mitsuda.