Tom Clancy's Splinter Cell Essentials

Unlock Bonus Missions:
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