questions questions!

[XTR-Arkangel]

hey ive got some questions...

1st: how do i use the boost option?
2nd:how do i play multiplayer?
3rd: how many credits u need to unlock all secret songs?

[Mindfields]

RE: questions questions!

1st: Check R2.
2nd: In game, scroll down.
3rd: More than you can get if you're asking these questions (lol).