A review blog, "CMK Music Review", stated that "While it may seem like it is nothing special, the simplicity of this album, combined with a constant force makes for a great combination". According to the Australian Recording Industry Association, in 2009 in Australia, "Cosmic Egg" was the 75th best-selling album and the 21st best-selling album by an Australian artist. The album was nominated for the "Classic Rock" Album of the Year award in 2010, eventually losing to Slash's debut album, "Slash". Wolfmother  Production personnel  Additional personnel As well as those releases listed, "Cosmic Egg" was released as an iTunes digital download album available internationally. It was released in Austria, Belgium, Germany, Ireland, Italy, the Netherlands, Poland Switzerland on 23 October; Denmark on 26 October; Canada and Spain on 27 October; and Sweden on 28 October.