Ultraman Nexus cheats and cheat codes for Playstation 2

Unlock More Characters:
Play survival mode using the two enemy characters in the 
upper right character selection menu

Unlock the 3rd Nexus :
Play with the character in the bottom of the middle row (scorpion monster) 

Play Deumantis
Finish the game once

Unlock characters:
How to Unlock - Unlockable
Defeat him in Nexus mode - Dark Faust
Defeat him in Nexus mode - Dark Mephisto
Win Survival mode with Dark Mephisto - Dark Mephisto Zwei
WIn Survival mode with Ultraman Noa - Dark Zagi
Defeat him in Nexus mode - Garuberos
Defeat him in Nexus mode - Golgolem
Defeat him in Nexus mode - Grantella
Defeat him in Nexus mode - Nosferu
Win Survival mode with Ultraman The Next - The One
Win Survival mode with 10 characters - Ultraman Anfans
Win Nexus mode letting the 2dn Deunamist lose against Dark Mephisto Zwei and 
finishing this mode with the 3rd Deunamist - Ultraman Jeunes Blue
Win Survival mode with 5 characters - Ultraman Noa
Win Survival mode with Ultraman Jeunes - Ultraman The Next

Secret File mode:
Several times play the 3 Night Raider Training missions until all your stats are at 
the maximum stage

Night Rider mission mode:
Several times play the 3 Night Raider Training missions until all your stats are at 
the maximum stage 

Secret File mode pictures:
Several times play Night Rider mission mode until all 45 pictures are unlocked