Balls Millennium - Version 1.1 The goal of the game is to collect max score (5 points per ball). By interchanging two balls (the adjoining ones), you must make up a line (Vertical or Horizontal) of three or more balls - if you do this - these balls will explode and a new ones will appear. The game will be over when you use up all available combinations. Themes are supported (skins & sounds).