Developers left a hidden in the game code that contains an option called "DEBUG ALL" . Activating this instantly unlocks all items, maximizes all class skills, and sets all units to level 40.
While normal gameplay is a viable way to unlock classes, some players may prefer a more expedient method. This is where the "Patapon 3 unlock all classes cheat" comes into play. There are several cheats and hacks available that can unlock all classes instantly. Here are a few methods: