Project D, Kai Kogashiwa (R.T. Katagiri S.V.), and Hideo Minagawa. New courses such as Happogahara, which used from Arcade Stage Ver.1 to Arcade Stage Ver.3/Street Stage (only daytime used is night) and only Extreme Stage appeared with full daytimes between day and night and Nagao, R.T. Katagiri S.V.'s home course. Stage 6 AA This version was released on March 3, 2011. A new mode, Tag Battle, was introduced. Unlike its predecessor, it was released for the Sega RingEdge hardware for the first time. The game saw a change in its driving physics. Unlike Initial D Arcade Stage 5, a drift gauge and an updated tachometer were introduced to help inform players when they were drifting. The 'Legend of the Street' mode also introduced a "Rolling Start" since the story mode in Initial D Special Stage. The tachometer now informed players whether or not their speed was below the gear range. Online network was extended to support regions in which earlier versions of the game was known to be popular in, finally achieving both nationwide and international matches. New cars and courses were added to the game through online updates without upgrade kits like IDAS4 1.5. The game also added a mileage system to show players their total driven mileage. Mileages could be used to redeem exclusive cars that were later available in updates. New characters that appeared for the first time in the game include Ryuji Ikeda, Hiroya Okuyama, Go Hojo, and Rin Hojo. New course such as Usui, which used from Arcade Stage Ver.1 to Arcade Stage Ver.3/Street Stage appeared with new layout, Tsubaki Line, Sadamine and Akina Snow, also appeared before in Arcade Stage Ver.3 which daytime is night change into the day. Note: AA = Double Ace Stage 7 AAX Released for Sega RingEdge on November 28, 2012. Like its predecessor, the legend of the streets mode from Original and Another mode are the same as the previous one (Arcade Stage 6 A.A.) with Rebirth mode. The game is mostly a carry-over from Initial D Arcade Stage 6 A.A., including updates. New characters include Shinji Inui to complete the Sidewinder battles of Project D, also Arcade Stage Ver.2/Special Stage and Arcade Stage Ver.3/Street Stage characters such as Nobuhiko Akiyama (Rebirth), Sakamoto and Tohru Suetsugu (only in Legend) appeared in this game and rewind of Keisuke, from Project.D using Kyoko's F.D. New cars include the Toyota Sprinter Trueno