Guitar Hero On Tour - Decades (Europe) (Fr,De,Es,It) (Demo) (Kiosk) (日本語タイトル：ギターヒーローオンツアーディケイズ) is a rhythm game developed by Activision for the Nintendo DS handheld console. It is the fourth installment of the Guitar Hero series for the DS, and is based on the original Guitar Hero On Tour. The game features a selection of songs from the 1960s to the 2000s. The player can play as either a lead or bass guitar, and the game features the same four-button fretboard as the previous games. The game also includes a 'Career Mode' which allows the player to progress through a series of songs and unlock additional songs, as well as a 'Multiplayer Mode' for two players. The game also includes a 'Demo' mode which allows the player to practice a selection of songs. The game was released in Europe in 2008, and was released as a kiosk demo in Japan in 2009.