2PM released a special album of their most recent album, Go Crazy.

On September 29, 2PM released the grand edition of their album. There are three remixed versions of their title song, "Go Crazy," and other unit songs, totalling 18 songs.

The unit songs include, Jun.K and Wooyoung's "Superman," Taecyeon and Chansung's "Comeback" feat. Baek Ah Yeon, Junho and Nichkhun's "Love is true," and Taeyeon and Chansung's "The words I love you."

All the unit songs were written by the members themselves.

2PM will have their '2PM World Tour GO CRAZY in Seoul' concert on October 3 and 4.