As a Racer, drive through an undamaged Road Block without hitting it

You can now use Lars.

You've gained 50 titles.

Saved up 999999 Ryo.

Deploy a Road Block which then gets hit by a Racer

Wreck a Cop

Fill the Nitrous bar then use it all in one go without hitting anything

You've retrieved all Tonton's pearls.

You've cleared Fragment.

You've cleared Final Chapter.

You've cleared Chapter Six.

You can now use Jiraiya, Tsunade and Orochimaru.