Digimon World 4 Cheats

       Digivolutions

    * Agumon: Guilmon reach level 16
    * Dorumon: Agumon reach level 16
    * Guilmon: Veemon reach level 16
    * Veemon: Dorumon reach level 16 

Ultimate and Mega level digimon in Normal Mode

    * Clavisangemon: Complete Undead Yard with Veemon
    * Clavisangemon: Complete Item Road with Dorumon
    * Herculeskabuterimon: Complete Undead Yard with Guilmon
    * Herculeskabuterimon: Complete Item Road with Agumon
    * Wargreymon: Complete Undead Yard with Agumon
    * Wargreymon: Complete Item Road with Guilmon
    * Weregarurumon: Complete Undead Yard with Dorumon
    * Weregarurumon: Complete Item Road with Veemon 

4th MP Move
Increase Your Blast Technique to 1000.

Hard Mode
Finish Normal Mode Once.

Imperialdramon Fighter Mode
Complete the final side-quest, Worm Hole Dungeon, in V. Hard Mode with any of the Digimon.