Wirkola's first film was 2007's Kill Buljo that he co-wrote with Stig Frode Henriksen. They later made the 2009 horror comedy Dead Snow. and then in 2010 Kurt Josef Wagle and the Legend of the Fjord Witch. His first big-budget film was Hansel and Gretel: Witch Hunters, which was co-written by Dante Harper and released in 2013. His next project is a sequel to Dead Snow, with a working title of Dead Snow: War of the Dead. LESS