BeatMania IIDX 9th Style Cheat Codes for Playstation 2

Song Unlocks
If you fail Arcade/Expert/Class mode, your count is reset for unlocking. Only exception is if your Arcade failure happened during Quasar.

Beyond the Earth - Clear Arcade/Expert/Class Mode 3 times
Jaeger Final Attack - Clear Arcade/Expert/Class Mode 6 times
No.13 - Clear all songs new to 9th Style on any difficulty (including the other two unlocks)

Enable Mirror+ and Random+
Go to the modifier menu in Free Mode by pressing start. Hold down
the first black (also dsignated as 2) key for two seconds and the modifier name will turn red. Random+ or Mirror+ will be activated. These modifiers can also be used simultaneously.

Hold down the 2 key in the modifier menu after enabling Random+
Enables Mirror+

Hold down the 2 key for two seconds in the modifier menu
Enables Random+

Hold down the 2 key for two seconds after enabling Mirror+
Enables simultaneous usage of Random+ and Mirror+