Digimon Rumble Arena (Cheat codes)
Play the game on any difficulty setting without losing a round (not a continue). During the fight with the last Digimon before Reapermon, BlackWarGreymon will challenge you. Defeat him and Reapermon without losing a round to unlock him.
Enter "KIMJOY" as a password to unlock Gallantmon. -From: JoshuaBagwell@aol.com
Enter "LINMON" as a password to unlock Imperialdramon. -From: JoshuaBagwell@aol.com
Enter "ROYBOY" as a password to unlock Imperialdramon. Alternately, successfully complete the game with Veemon in first, second, or third place. -From: JoshuaBagwell@aol.com
Successfully complete the game with all three season three characters to unlock Impmon.
Enter MINNYN
Enter "SERIUS" as a password to unlock Omnimon. Alternately, successfully complete the game with Gabumon and Agumon. -From: JoshuaBagwell@aol.com
Successfully complete the game once to unlock Reapermon.
Enter "KENSAN" as a password to unlock Sakuyamon. Alternately, successfully complete the game with Renamon. -From: JoshuaBagwell@aol.com
Enter "QRIOUS" as a password to unlock WarGreymon. -From: JoshuaBagwell@aol.com
To receive anyone's digivolved form, successfully complete the game with them.
To receive anyone's Mega form, successfully complete the single player game with that person. Note: You cannot be a Mega in single player mode.
Choose Wormmon and use Silk Thread (Triangle) or Stingmon and use Spiking Strike (Triangle).