Secrets of Digimon Rumble Arena
 Mirror Digimon
There is a way to have two identical Digimon against each other in 2-player mode. To do this, one player should select a Digimon. Then, the other player should hold SELECT and choose the same Digimon. The battle then begins with Player 2 controlling a recoloured version of Player 1's Digimon.
 Extra Digimon
Finish 1-P Mode with any Digimon which can Digivolve to unlock its Digivolved form. Other Digimon require other unlocking means; see the table to the right.
|Impmon||Finish the game as Guilmon, Terriermon and Renamon in any order you like.|
|Imperialdramon Paladin Mode||Finish the game with Wormmon and Veemon in either order you prefer.|
|Omnimon||Finish the game with Agumon and Gabumon in whichever order you choose.|
|Reapermon||Finish the game.|
|BlackWarGreymon||Finish the game without losing a match.|
All the passwords to the right unlock a Digimon. To enter them, go to "options" then go to the password screen.
|Imperialdramon Fighter Mode||LINMON|
|Imperialdramon Paladin Mode||ROYBOY|
 Alternative Tamers
While selecting a digimon press and hold L1 + L2 + R1 + R2 and down. This switches the appearance of Tamers in some instances. Specifically...
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