sentences:  Only four characters are available at the start of the game (Mac, Elise, Kaori and Moby), and players unlock additional characters through completing tasks.In common with "SSX 3", the game takes place on one mountain with three peaks, and it is possible to travel non-stop from the top of the highest peak to the bottom of the lowest.All the race tracks are taken from previous games ("SSX3" and "SSX On Tour"), put together to a new mountain.