The campaign itself is extensive, with multiple mission types and an acceptable story, but it won't blow you away. (nintendoworldreport.com)
It gave focus to the exploration of the worlds to complete multiple missions within an area, but still with some linear area of play. (bitcultures.com)
Best of all, there are numerous stages each offering multiple missions to keep players coming back again and again to unlock everything, collect more coins or just improve their best times. (gonintendo.com)