Unlock Hints

Unlock Bonus                          How to Unlock
Alternate Costumes                    Complete Expert with any character
Alternate Designs for All Boards      Get 18 Time Trial coins
Alternate Skins for
All Regular Boards                    Get all Time Trial coins,
                                      including the ones in extreme
                                      championship

Character BONES                       Beat extreme mode with ROB
Character CRYSTAL                     Beat extreme mode with AKARI
Character FROSTY                      Beat extreme mode with RICKY
Character MIMI                        Beat extreme mode with TARA
Character TITANIUM                    Beat extreme mode with KEMEN

Penguin Board                         Get 1 Time Trail coins
Every Character's 2nd Board           Get 2 Time Trail coins
Old School Board                      Get 4 Time Trail coins
Every Character's 3rd Board           Get 5 Time Trail coins
Paintbrush Board                      Get 7 Time Trail coins
Every Characters 4th Board            Get 9 Time Trail coins
Every Characters Different Logos
on All Boards (except special boards) Get All Time Trail coins

Mr. Beakes Board (Penguin)            Earn 2 Trophies
Old School Board (NES Control Pad)    Earn 6 Trophies
Power Painter (Pencil)                Earn 9 Trophies
NST 1080 Avalanche (Jet Rocket)       Earn 15 Trophies 

Unlock Extreme championship           Complete Expert Championship
Unlock Courses                        Beat the High Score on a course
                                      to earn the trophy for that course.
                                      Once you have earned enough
                                      trophies you will unlock that course.