Antarctica stage:
—————–
In arcade mode level 100, defeat Leopaldan to unlock the Antarctica stage.
Play as EX characters:
———————-
In arcade mode level 100 and higher, EX characters will challenge you. Defeat
them to unlock them.
Play as Kakusei Sol and Kakusei Ky:
———————————–
Play Scramble in RK II Factory on the normal difficulty setting. Finish the last
stage with a score of 1, 500, 000 or greater. Robo Ky II Substance will appear.
Defeat him to unlock Kakusei Sol and Kakusei Ky.