Complete Stage 5 of Arcade Mode (any difficulty)
Play Ranking Mode in Arcade Mode (hold down P+K+D+START button during Attract Mode)
Enter ↓↓↑↑←←→→ at the character select screen in Arcade Mode
Select game settings in Arcade Mode while holding the □ button to enter Attract Mode
Play the Sudden Death stage in Arcade Mode or Offline Versus
Use Dural in Arcade Mode or Offline Versus (In Ver.2.1 hold START button when selecting a character)
Win a round without receiving any damage in Arcade Mode (any difficulty)
Complete Stage 3 of Arcade Mode (any difficulty)
Complete Stage 2 of Arcade Mode (any difficulty)
Win a round by ring out in Arcade Mode (any difficulty)
Complete Stage 1 of Arcade Mode (any difficulty)
Play Arcade Mode or Offline Versus in ver. 2.0
