Track 7 is a track from the third Bloons TD game, Bloons Tower Defense 3. It is one of the 8 original tracks in the online version of Bloons TD 3. This track was one of the 4 tracks that were initially locked. These 4 tracks had to be unlocked by beating the first 4 tracks. This track is also the 3rd track in the Classic 1 Pack in the mobile version of Bloons TD 3, which is an app called Bloons TD.