In 'Single-Player Boss Attack' or 'Two-Player Boss Attack', record an 'S' rank in all Boss Attacks, including the 'ALL ATTACK' battle.
Register the first place in the high score.
Defeat Ungaikyo in single player mode.
Defeat Gasha Dokuro in single player mode.
Clear stage 8 of the second round in single player mode.
Find all Yukinko in each of the eight stages in single player mode and unlock the 'ALL ATTACK' battle in 'Single-Player Boss Attack'."
