Complex sentence: Originally it was founded by Rolf Jansson and Markus Persson, but Markus left Wurm Online in 2007, when asked if Wurm would shut down due to his resigning, he said Wurm's not going anywhere.
Split into simpler sentences: Originally it was founded by Rolf Jansson and Markus Persson, but Markus left Wurm Online in 2007. When asked if Wurm would shut down due to his resigning, Markus said Wurm's not going anywhere.