Char's Zaku 2
Defeat Char's Z'Gok in hard mode in under 4 minutes.
Tactics battle mode
Complete story mode to unlock tactics battle mode at the main menu. It allows you to play as Earth Federation on the Principality of Zeon.
All FMV sequences
Complete the game to unlock all movies in the gallery.
Alternate suit colors
At the suit selection screen in tactics battle mode, highlight a suit, then hold L1 + L2 + X, R1 + R2 + X, or L2 + R2 + X to alternate the suit color.
More Health In Stage 9
In stage 9 at the beggining pull back as far as you can towards the end of the radar facing where the enemies come out.Then let the two guncannons destroy all the enemies. About 95% of the time it works.