Beginner Mode : No secret ending
Standard Mode : Beat all ORG XIII data battle, beat all mushroom 13, beat terra,complete puzzle, complete jimmy journal, and complete all mini games
Proud Mode :Beat all ORG XIII data battle, beat all mushroom 13, beat terra,complete puzzle,complete jimmy journal
Critical Mode : Beat all ORG XIII data battle, beat all mushroom 13, beat terra.
Of course.. You must complete all worlds in every mode