For the Utopia!        10
Assert leadership and clear Arcade Mode on Medium or higher without using a continue with Rolento.       
用罗兰多不续关，普通或以上难度通关
        The world is my stage        10
Dance with everyone! Clear the Arcade Mode on Medium or higher without using continue with Elena!       
用爱莲娜不续关，普通或以上难度通关  
        Toxic Beauty        10
No more mocking! Clear Arcade Mode on Medium or higher without using a continue with Poison.         
用毒药不续关，普通或以上难度通关
        Giant Attack        10
Reach the league's top and clear Arcade Mode on Medium or higher without using continue with Hugo.
用胡歌不续关，普通或以上难度通关          
        A dish best served cold        10
Follow your anger by clearing Arcade Mode on Medium or higher without using continue with Decapre.       
用迪卡普里奥不续关，普通或以上难度通关
        Double Feature        50
Initiative is everything! Surprise the enemy by using both Ultra Combos in a single Ranked Match!       
一场等级配对给对方两次UC，貌似局数不限
        All For One        40
Strength in numbers! Gather a team of four and defeat another in any Team Battle!       
目测是选其中4个新人物组一队打赢一场team battle
        Ultra Effective        30
New adventures await! Win a Ranked Match with a character added in Ultra Street Fighter IV!       
用USF4新人物赢一场等级配对
        Good old times        30
Strong fighter has no fear of change! Defeat your Street Fighter IV self on the Hardest difficulty!       
最高难度通关，貌似没有其他要求。字面上没写必须新人物，实际上肯定是要求新人物

基本没什么难度，有人配合刷等级配对的话2小时收工

有什么意义
有这时间和人打两把不好吗