The goal of the game is to tap each of the colored balls when they reach a line at the bottom of the screen.

There are also "shakes", which require the player to move the iPhone, iPod Touch or iPad (although the game was designed for the former two) to the right, left, or middle.

The goal is to hit the balls at the correct time (as dictated by the beat of the song), and thus gain points.

On September 11, 2007 Nate True released Tap Tap Revolution (named after, and based on, the popular music game series Dance Dance Revolution) for iOS via his personal blog.

[3] and the ability to play songs from your iTunes library and share tap tracks in the cloud.

[11] Tapulous also announced that they were in talks with Indie and major musicians to release purchasable sequels for the game.

[12] In April 2009, internet marketing research company comScore announced the results of a study which claimed 1 in 3 U.S. iPhone OS users had downloaded the game, and that it was the most popular application for the iPhone and iPod Touch.

[17] It became the most-downloaded free application on the App Store only three days after its release, and reached half a million downloads over that period.