Mirror+ and Random+ modes
Press [Start] in free mode to enter the modifier menu. Hold [2] (first black key) for two seconds until the Mirror name turns red to enable Mirror+ mode. Repeat this until the Random name turns red to enable Random+ mode. Repeat this until both names turn red to enable both Mirror+ and Random+ modes.
Beyond The Earth song
Clear Arcade, Expert, or Class Mode three times
Jaeger Final Attack song
Clear Arcade, Expert, or Class Mode six times
No. 13 song
Clear all new songs in Beatmania 2DX 9th Style (including Beyond the Earth and Jaeger Final Attack)