Superstar team-up: Only the second game to include Mario and Sonic characters together, featuring the official Olympics license and input from Mario creator Shigeru Miyamoto.
Worlds collide: Play as any of the characters from the original game - from Prince Peach to Vector the Crocodile, as well as first-timers Donkey Kong and Metal Sonic.
Added balance: For the first time in a Sonic & Mario game you'll be able to use the Balance Board for some events, if you have one.
The full monty: The new Festival mode lets you play through the whole of the Olympic Winter Games, including all the disciplines and an opening and closing ceremony.
Friendly rivalry: Mountains of multiplayer options, including four-player competitive tournaments and co-operative games.