Here are some cheats and tips for the game Bomberman Wars.
View the Bomber Prince:
Complete ten stages in quest mode, then enter the practice room. Place all
characters in the hallway, then return to the practice room. The Bomber
Prince will appear approximately 50% of the time.
Faster game:
Hold Circle and press Start at the title screen to begin the game without
the special effect sequence.
Bonus levels:
Successfully complete quest mode one time. The “Honey” and “Cotetsu” levels
will be selectable.