THE [email protected] is an enhanced and upgraded version of the arcade game of the same name. Most elements from the arcade version is unchanged, other than arcade-based machanics. Save data is stored in the Xbox 360's internal hard drive or memory unit, controls are reworked, and text messages from idols are received in-game instead of on the players' cell phones. In-game models were also remade from scratch. There are no longer time limits to choosing songs or outfits. The time limit to raising an idol's Idol Rank in order to prevent an idol's retirement concert. There is a 52-week in-game limit instead before an idol's contract expires.
New content includes a new idol named Miki Hoshii, who is the main heroine and has a special storyline. Six new songs are also included, and downloadable content is available in the form of additional costumes and Idol Dramas.