Gundam Battle Assault Complete story mode under the easy difficulty level. Complete story mode under the normal difficulty level. Complete story mode under the hard difficulty level. Complete story mode under the hard difficulty level without continuing. Complete story mode with the GP02A after defeating Gundam. Complete story mode with the Zaku II after defeating New Gundam. Complete the game with all twelve mobile suits under any difficulty setting. Press Left, Up, Right, Down, Square, Triangle, Circle at the mode selection. A sound will confirm correct code entry. Select versus mode, then keep pressing Right at the Gundam selection screen. This Gundam is by far the fastest, and is very good at combos. The differences are that it is a dark maroon-like color and has a small crest above its head. Note: Press L1(4), R1(4), L1, R1, L1, R1, L1, R1, L1, R1 at the mode selection screen in the Japanese version of the game. Press Start + X at the versus mode screen.