The first map pack was released on March 9, 2007.

Three additional map packs were released on December 4, 2008 at no cost.

The map pack contains only one variant, instead of two.

Several map packs have been released for the game.

The map pack was released on December 1, 2010.

A number of patches and map packs had also been made freely available for the game.

In addition to the official maps, the game's community has created a map pack containing 14 new environments.

As of March 31, 2008, three map packs have been released, adding 11 more maps.

The second map pack has been released with a new patch on November 19, 2007.

The third map pack has been released on March 31, 2008.