Naruto Shippuden: Ryujinki
This game is titled Naruto Shippuden: Dragon Blade Chronicles in North America and Naruto Shippuden: Ryujinki in Japan.
Successfully complete Story mode. Begin Story mode under the Hard difficulty setting and the alternate costume will be available.
Summon a Shadow clone and the use the Charged Rasengan. Instead of being a Normal Rasengan it will be a Giant Rasengan.
Wind Style Dragon Rasengan
Complete Story mode under the Easy difficulty setting.
Wind style Rasengan
After getting the "Shadow Clone Croll 2" Summon the Shadow Clones and now use a Charged Rasengan. It will be a Wind Style Rasengan.