Sound: Great for all tastes - from rock to pop and more
Scope: Offline modes Arcade - Time Trial - Survive - Single or Partner play - story mode - 32 fighters with many costumes (some DLC)
Photo viewer mode, album, Battle stats etc
Online with lobbies etc
Difficulty: For really everyone here all 10 levels and there is a huge model tutorial for beginners and professionals
Conclusion: A Whipper how to ask for it - for beginners times a round of evening fighten and memorize a character's for professionals