Unverified. Unlock bonus missions (there are three) on the Bonus Mission screen by doing the following button exercises:
Bonus One:
SELECT (hold) - L + R (together) - L + R (together) - L + R (together) - L + R (together)
Bonus Two:
SELECT (hold) - L - L - R - R
Bonus Three:
SELECT (hold) - L - R - L - R
