Following the 1.1.0 patch in early October, Dragon Ball Z: Extreme Butōden on the Nintendo 3DS in Japan received a new 1.2.0 patch update last month. The patch introduces another four new Z-Assist characters: Super Saiyan 4 Son Gohan, Super Saiyan 4 Broli, the Kaiōshin of Time, and Trunks’ time machine.

Additionally, the long-promised online play has been included. Players must connect to the online service through the normal VS. menu, which includes public and private play (conducted via numerical code sharing). While playing in online mode, users will not be able to access other functionality such as Miiverse.

Dragon Ball Z: Extreme Butōden launched in Japan 11 June 2015. First-press copies of the game come packed with bonus content, including a downloadable version of the Super Famicom game Dragon Ball Z: Super Butōden 2 (previously included as a part of the J-Legend Retsuden compilation game; albeit now with replacement music). Arc System Works developed the game for Bandai Namco. The developer previously worked on the Bukū… / Supersonic Warriors games on the Nintendo GameBoy Advance and DS.

Dragon Ball Z: Extreme Butōden is currently available for order from CDJapan. The Nintendo 3DS / New Nintendo 3DS are region-locked; a Japanese system is required for the game to play. The game was released in Europe 16 October 2015, in North and Latin America 20 October 2015, and in Brazil 23 October 2015. A free demo is now available on the Nintendo 3DS eShop.