Complete Stage 1 of Arcade Mode (any difficulty)
Complete Stage 2 of Arcade Mode (any difficulty)
Play the Sudden Death stage in Arcade Mode or Offline Versus
Select game settings in Arcade Mode while holding the □ button to enter Attract Mode
Complete Stage 3 of Arcade Mode (any difficulty)
Complete Stage 5 of Arcade Mode (any difficulty)
Win a round by ring out in 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)
Enter ↓↓↑↑←←→→ at the character select screen in Arcade Mode
Use Dural in Arcade Mode or Offline Versus (In Ver.2.1 hold START button when selecting a character)
Play Arcade Mode or Offline Versus in ver. 2.0
