Jens Bergensten (née Thornell). Jens Bergensten Jens "Jeb" Bergensten is a Swedish video game designer. Since December 2010, he has worked for the video game developer Mojang as a programmer and game designer. He became the lead designer and lead developer of the indie sandbox game "Minecraft", after Markus "Notch" Persson stepped down from his position in December 2011. He is known by his in-game name "jeb_". Bergensten started programming his first games at age 11 using BASIC and Turbo Pascal. By age 21, he was a mapper and modder for the first-person shooter "Quake III Arena". Later he worked as a
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