Fighting Vipers

Complete Stage 1 of Arcade Mode (any difficulty)

Complete Stage 2 of Arcade Mode (any difficulty)

Complete Stage 3 of Arcade Mode (any difficulty)

Complete Stage 4 of Arcade Mode (any difficulty)

Win a round without receiving any damage in Arcade Mode (any difficulty)

Play Ranking Mode in Arcade Mode (hold down P+K+D+START button during Attract Mode)

Hold↑and hit START button during Attract Mode in Arcade Mode

Select game settings in Arcade Mode or Offline Versus while holding L1 button+R1 button to activate Kids Mode

Destroy a stage wall in Arcade Mode or Offline Versus

Break an opponent's armor in Arcade Mode or Offline Versus

Use Mahler in Arcade Mode or Offline Versus (move cursor left of Grace during character selection)

As Candy unequip armor each Arcade stg or break her lower armor after 10 straight wins in Offline VS

Select game settings in Arcade Mode while holding the □ button to enter Attract Mode

Select game settings in Arcade Mode while holding ↑ to unlock Candy's appearance in 2nd Attract Mode