Multiple unique versions of the game exist, developed sometime between 2006 and 2007:The handheld Nintendo DS and Game Boy Advance versions, developed by Backbone (Backbone Emeryville for the GBA version) and published by Sega on November 14, 2006 (in North America) and February 9, 2007 (in Europe).The PC version, published by Sega on November 17, 2006 (in North America as "Charlotte's Web: Wilbur and Friends") and February 9, 2007 (in Europe as "Charlotte's Web: Discovery Farm").The PlayStation 2 version, developed by Atomic Planet and published by Blast! exclusively in Europe on April 5, 2007.