Successfully complete the indicated goal on the "Goal Board" menu to unlock the 
corresponding bonus:

  Around The World: Clear all six courses. Difficulties do not have to match. 
  This unlocks Marathon mode. 
  Battle Fan: Play 10 games of either Battle mode. This unlocks six more Battle 
  levels. 
  Cleared A Course: Successfully complete one course on any difficulty. This 
  unlocks Course 4. 
  Extra! Extra!: Reach any Extra stage. This unlocks "Indulgence" in the Music 
  Player. 
  Fanatic: Raise the Total Clear Rate to at least 90% in either Single Player or 
  Co-op mode. This unlocks "Kitty Cat" in the Music Player. 
  Floor It: Successfully complete any course using Turbo Speed. This unlocks the 
  Extreme Speed setting. 
  Got Three: Successfully complete three different courses on any difficulty. 
  This unlocks Course 6. 
  I'm a Survivor: Last for 4 minutes on any level in Survival mode. This unlocks 
  six more Survival levels. 
  More Please: Collect a grand total of 250 targets. This unlocks the Turbo 
  Speed setting. 
  Step Up: Successfully complete any course on the Difficult difficulty. This 
  unlocks the Expert difficulty. 
  Two Down: Successfully complete two different courses on any difficulty. This 
  unlocks Course 5. 
  Uh-oh...: Successfully complete all six courses on the Expert difficulty. This 
  unlocks the Master difficulty.