Gundam Battle Assault 2
Alternate colors
Highlight a Mobile Suit then hold R1 and press Start at the selection screen.
Time Attack A mode
Successfully complete the game in Street mode with four Mobile Suits.
Time Attack B mode
Successfully complete the game in Street mode under the hard difficulty setting with all eight Mobile Suits.
Survival mode
Successfully complete the game in Street mode with all eight Mobile Suits.
Sound test mode
Successfully complete the game in Street mode under the hard difficult setting with all eight Mobile Suits. Two new options will be unlocked in the sound menu.
Acguy
Successfully complete the game in Street mode with Gundam RX-78 to unlock Acguy in Versus, Time Attack, and Survival modes.
Ball
Successfully complete the game in Street mode with Gundam RX-78 to unlock Ball in Versus, Time Attack, and Survival modes.
Big-Zam
Successfully complete the game in Street mode under the hard difficult setting with all eight Mobile Suits and complete Time Attack A mode in five minutes or less to unlock Big-Zam in Versus, Time Attack, and Survival modes. The easiest way to get the Big-Zam is to play Time Attack A with the Dark Gundam and constantly use the Double Hand Beam (Forward, Down, Back, Punch). It gives the enemy mega damage and it is unblockable. It is possible to complete Time Attack A in three minutes with this trick.
Bolt Gundam
Successfully complete the game in Street mode with Gundam Maxter to unlock Bolt Gundam in Versus, Time Attack, and Survival modes.
Full Armor ZZ Gundam
Successfully complete the game in Street mode with Tallgeese III to unlock Full Armor ZZ Gundam in Versus, Time Attack, and Survival modes.
Gundam Epyon
Successfully complete the game in Street mode under the hard difficult setting with all eight Mobile Suits to unlock Gundam Epyon in Versus, Time Attack, and Survival modes.
Gundam Physalis (GP-02A)
Successfully complete the game in Street mode with Burning Gundam to unlock Gundam Physalis (GP-02A) in Versus, Time Attack, and Survival modes.
Heavy Arms Custom
Successfully complete the game in Street mode with Gundam Deathscythe Hell Custom to unlock Heavy Arms Custom in Versus, Time Attack, and Survival modes.
Hydra Gundam
Successfully complete the game in Street mode with Tallgeese III to unlock Hydra Gundam in Versus, Time Attack, and Survival modes.
Hygoog
Successfully complete the game in Street mode with Wing Gundam Zero Custom to unlock Hygoog in Versus, Time Attack, and Survival modes.
Master Gundam
Successfully complete the game in Street mode under the hard difficulty setting with Burning Gundam and Gundam Maxter to unlock Master Gundam in Street mode. Successfully complete the game in Street mode with Master Gundam to unlock it in Versus, Time Attack, and Survival modes.
Neue Ziel
Defeat twenty opponents in survival mode to unlock Neue Ziel in Versus, Time Attack, and Survival modes.
Psycho Gundam
Successfully complete the game in Street mode under the hard difficult setting with all eight Mobile Suits and complete Time Attack B mode in three minutes or less to unlock Psycho Gundam to unlock Gundam Epyon in Versus, Time Attack, and Survival modes.
Quin Mantha
Successfully complete the game in Street mode with Master Gundam to unlock Quin Mantha in Versus, Time Attack, and Survival modes.
Tallgeese III
Successfully complete the game in Street mode under the hard difficulty setting with Gundam Deathscythe Hell Custom and Wing Gundam Zero Custom to unlock Tallgeese III in Street mode. Successfully complete the game in Street mode with Tallgeese III to unlock it in Versus, Time Attack, and Survival modes.
Zaku IIS
Successfully complete the game in Street mode under the hard difficulty setting with Gundam RX-78 to unlock Zaku IIS in Street mode. Successfully complete the game in Street mode with Zaku IIS to unlock it in Versus, Time Attack, and Survival modes.
Zeong
Successfully complete the game in Street mode with Zaku IIS to unlock Zeong in Versus, Time Attack, and Survival modes.
Dark Gundam
Play as at least twenty different Mobile Suits in Versus COM, then complete Street Mode with any Mobile Suit to unlock Dark Gundam in Versus, Time Attack, and Survival modes.
Completing Time Attack B in less than Min.
Use Big-Zam and it's super powerful special attack and you will complete Time Attack B in about 1:15.
Burning Gundam: The End
When using Burning Gundam, press back, down, forward, back and any punch button to perform The End. It is almost like the Burning Finger, except Burning Gundam will grab the opposing Mobile Suit.
Bolt Gundam: Graviton Hammer
When you perform the Graviton Hammer move as soon as the ball hits, perform the move again, and Bolt Gundam will swing the ball back around for double damage.