Unlock ex characters:???????????????????? If you reach stage 100 or more in arcade mode, the expert characters will challenge you. Beat them.Unlock Leopaldon:???????????????????? Reach the level 199 in arcad mode and beat Leopaldon.Zako 1, 2, and 3:In GGBoost, beat Kakusei Sol and Ky in the final levelKakusei Sol and Kakusei Ky:Play Scramble in RK II Factory under 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.Unlock antarctica level:Reach stage 100 in arcade mode and beat Leopaldan.Unlock Kakusei Ky and Kakusei Sol:Play Scramble in RK II Factory in normal mode.Complete the final level with minimum? 1500000 points.Robo Ky II Substance should be appear. Fight with Robo Ky II and win.