Mobile Suit Gundam - Federation vs. Zeon cheats and cheat codes for Playstation 2

Extra mode
Finish the game in campaign mode with both the Federation and 
Zeon after save. Choose campaign mode again, and you will see 
"Extra" option. 

Unlock ADZAM in vs mode:
Play as Federation pilot in arcade mode. Select the 1st level.
In the desert mission you have to be fight one Zaku2, one Gouf 
and an ADZAM mobile armor. Destroy ADZAM to unlock it in 
versus mode.

Unlock G-Bull in vs mode:
Play as Federation pilot in arcade mode. Select the 2nd or 3rd 
level.Fight with G-BULL and one other Mobile Suit. 
Kill G-BULL, to unlock it.

Play as G-Fighter in vs mode:
Play as Zeon pilot in arcade mode. Select the 4th stage.
Fight with Guntank and G-FIGHTER. Kill G-FIGHTER to unlock it.

Play as GRABRO in vs mode:
Play as Federation pilot in arcade mode and destroy GRABRO.

Play as G-Sky in vs mode:
Play as Zeon pilot in arcade mode. Select 4th stage.
Fight with Gelgoog and G-SKY. Destroy G-SKY to unlock it.

Unlock Big-Zam in vs mode:
Play as Federation pilot in arcade mode. Select the 4th level a
nd kill it to unlock it in versus mode. 

Unlock Braw-Bro:
Play as Federation pilot in arcade mode. Select either the 
3rd or 4th stage. When you have to fight with BRAW-BRO mobile 
armor, kill yourself.
Note: Not work if an ally makes the kill.