Mojang the continued development of "Minecraft". Within a year, the company grew to a size of twelve employees, with their second video game, "Scrolls", in development, as well as serving as the publisher of "Cobalt". In 2011, Napster founder and former Facebook president Sean Parker offered to invest in Mojang, but was declined. By March 2012, the company had accumulated revenues of over $80 million. In September 2012, Mojang began a partnership with United Nations Human Settlements Programme called "Block by Block", which entails having "Minecraft" players constructing sites in-game to use as a basis for assisted development of the village
Minecraft week of being on the Xbox Live Marketplace, "Minecraft" sold upwards of a million copies. GameSpot announced in December 2012 that "Minecraft" sold over 4.48 million copies since the game debuted on Xbox Live Arcade in May 2012. In 2012, "Minecraft" was the most purchased title on Xbox Live Arcade; it was also the fourth most played title on Xbox Live based on average unique users per day. , the Xbox 360 version has sold 12 million copies. In addition, "Minecraft: Pocket Edition" has reached a figure of 21 million in sales. The PlayStation 3 version sold one million copies