The Unkindness of Ravens were inspired by figures from Norse and Celtic mythology such as the Valkyries and The Morrígan. Filming took place during 2014 in Fife, Edinburgh, and Perthshire, and moved into post-production in 2015. To help with costs, Brewster opened a crowdfunding campaign through Kickstarter, with the goal to raise £40,000. The campaign was successful and marked the first Scottish crowdfunding campaign to raise such a large amount of money and the highest funded British horror film on Kickstarter. Horror film critic Kim Newman reviewed "The Unkindness of Ravens", writing that it was "a demanding, complicated film which might well require repeat
Impossible Creatures later by a free downloadable expansion entitled "Insect Invasion" which added new creatures and abilities to the game. The last official add on for "Impossible Creatures" was released in 2004. On November 12, 2015, Impossible Creatures was released on Steam as "Impossible Creatures: Steam Edition", by THQ Nordic. Relic Entertainment and Sega relinquished the rights of "Impossible Creatures" to THQ Nordic after it was revealed that THQ nor Microsoft Studios owned the rights to the video game. The Steam version includes all patches and expansion packs released in the past, the IC Online servers reimplemented through Steam's cloud service and