Cthulhu Britannica

The series allows for games to be set in the United Kingdom.

Cubicle 7 used their license for Call of Cthulhu to publish the Cthulhu Britannica (2009) core book,[1][2]: 432  the first product in the line which included five scenarios.

[3][4] Additional books were then released every year until 2012, including Shadows over Scotland.

[5][6] A dozen titles were produced for the Cthulhu Britannica line, and they spanned the British Isles with information from British folklore.

[7] Shadows over Scotland won Best Roleplaying Supplement or Adventure at the 38th Annual Origins Awards (2011)[8] and 'Gold' for Best Setting at the ENnie Awards (2012)[9] Stu Horvath in the 2023 book Monsters, Aliens, and Holes in the Ground, Deluxe Edition: A Guide to Tabletop Roleplaying Games from D&D to Mothership explained how "Before renovating Call of Cthulhu proper, Mike Mason and Paul Fricker did interesting work at the helm of Cthulhu Britannica for Cubicle 7 (2009), which also produced an odd fusion of war story and cosmic horror with their World War Cthulhu line (2013).