It is the first game of the series to appear on two platforms.
4, are the fourth and fifth installments in the Super Smash Bros. for Nintendo 3DS and Wii U, (Japanese: 大乱闘スマッシュブラザーズ, Dairantō Sumasshu Burazāzu fō Nintendō Surī Dī Esu / Wī Yū ), otherwise unofficially known as Super Smash Bros. for Nintendo 3DS and Wii Uĭairantō Sumasshu Burazāzu fō Nintendō Surī Dī Esu / Wī Yū