Although Mass Effect 2 was released at the end of the month, it became the second best-selling game of January 2010 with 572,100 units sold, behind Nintendo's New Super Mario Bros. Wii.
尽管游戏在2010年1月底发布，但它仍成为了当月第二畅销游戏，售出572,100份，排在任天堂的《新超级马里奥兄弟Wii》之后。