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 sets based on "Minecraft". Two more sets based on the Nether and village areas of the game were released on 1 September 2013. A fourth Micro World set, the End, was released in June 2014. Six more, larger Lego minifigure scale, sets became available November 2014. Mojang collaborates with Jinx, an online game merchandise store, to sell "Minecraft" merchandise, such as clothing, foam pickaxes, and toys of creatures in the game. By May 2012, over 1 million dollars were made from "Minecraft" merchandise sales. T-shirts and socks were the most popular products. In March 2013 Mojang signed a deal with