Turn small by being attacked (ie, by Amy's↓+P, etc) in Arcade Mode or Offline Versus
Destroy all of an opponent's barriers while playing Arcade Mode or Offline Versus
Fight a mirror match in Arcade Mode or Offline Versus
Complete Stage 7 of Arcade Mode (any difficulty)
Complete Stage 6 of Arcade Mode (any difficulty)
Complete Stage 5 of Arcade Mode (any difficulty)
Complete Stage 4 of Arcade Mode (any difficulty)
Complete Stage 3 of Arcade Mode (any difficulty)
Complete Stage 2 of Arcade Mode (any difficulty)
Complete Stage 1 of Arcade Mode (any difficulty)
Win a round without receiving any damage in Arcade Mode (any difficulty)
Use Honey the Cat in Arcade Mode or Offline Versus (Press START on Amy and select)
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