Here's an overview of Mario Kart 8 by Polygon and a list of reviews.

In this overview featuring gameplay footage, Phil Kollar and Griffin McElroy from Polygon showcase the new tracks, Battle Mode and replay-sharing online functionality in Mario Kart 8.

Reviews:

• IGN 9/10
• USgamer 4.5/5
• Gamespot 8/10
• Eurogamer 10/10
• Videogamer 9/10
• Destructoid 9/10
• CVG 9/10
• Polygon 9/10
• GameTrailers 8.6/10
• Joystiq 4.5/5
• GameInformer 9.25/10
• ShackNews 8/10

Mario Kart 8 is the eleventh overall installment in Nintendo's Mario Kart franchise, and arrives on May 29, 2014 for the Wii U.