Extra Assignments
Acquiring S rank per mission in story mode unlocks 4 additional assignments This unlocks all possible extra assignments per one mission in story mode Obtaining A rank will grant 3 of the extra 4 assignments Finally achieving B rank will give 2 of the 4 extra assignments
Shadow Mode
After successfully completing a mission you can switch to quotShadow Modequot by pressing the Start button at the Story Mode Mission Select screen This allows you to play a more difficult version of the missions you have already completed with less items and more enemies in different configurations
Unlock Colored Rice
Finish all 50 trainings with an S Rank This will add the Colored Rice to your inventory
Unlock extra items
To unlock the following four items collect map pieces and beat the assignments a and missions described for the desired effect