Additional awards, such as customization items, are also awarded for completing gigs. Completing a gig can also unlock one or more gigs with more difficult songs to complete. The player is awarded in-game money for each song completed, and completing each gig can also award additional money for meeting certain criteria, such as never letting the Rock Meter drop below a certain level or playing the first several notes of a song perfectly. The gigs are arranged by difficulty based on the selected instrument.

Two of the lead guitar gigs feature 'boss challenges' with and these boss challenges, featuring original songs by Wylde and Nugent, are different from 's boss battle, removing the focus on attack and instead featuring a call-and-response mechanic similar to the existing Face-Off mode. World Tour received generally positive reviews with critics responding positively to the quality of the instrument controllers, the customization abilities, and improvements in the game's difficulty compared with the previous. The game allows users to create new songs through the 'Music Studio' mode, which can then be uploaded and shared through a service known as 'GHTunes'. While the game continues to feature the use of a guitar-shaped controller to simulate the playing of, Guitar Hero World Tour is the first game in the Guitar Hero series to feature drum and microphone controllers for percussion and vocal parts, similar in manner to the competing series of games.

A version of World Tour for and Apple was later released. The game was launched in North America in October 2008 for the, and consoles, and a month later for Europe and Australia. It is the fourth main entry in the, the sixth on home consoles and the seventh overall. : July 26, 2009, Mode(s), Guitar Hero World Tour (initially referred to as Guitar Hero IV or Guitar Hero IV: World Tour) is a developed by, published by and distributed.

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