Enter these codes on the title screen. The numbers refer to the buttons on the Pop'n Music controller, counting from the leftmost to the rightmost in a zigzag pattern. Please note that these codes will only last for one arcade mode game - to unlock the songs permanently you will need to do so through the unlock system, or by turning the unlock system off and playing for a certain amount of time. The required amount of time for a permanent unlock is shown in hours will be shown in brackets next to the code effect - only time spent actually playing a song is counted.
Code - Effect
277477266 - Unlock Everything
89798687463 - Unlock hidden AC songs (5)
37481467 - Unlock hidden characters (7.5)
97974231314 - Unlock hidden courses (8)
676767676767 - Unlock hidden CS songs (7)
123123466234 - Unlock hidden ee'mall songs (8.5)
1379243 - Unlock hidden hypers/EXs (9)
129346 - Unlock hidden options (4)
36923796 - Unlock hidden Pop'n GB songs (6)
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