Operation Escape are offering Escape Game Card owners 10% discount on their games. The theme was inspired by the local area, in particular, Biggin Hill airport and the part it played in the second world war. The spy decoding theme was inspired by family who served during WWII. Denis Cole served in the Navy and was seconded to work for the air force as a telegrapher on the island of Socotra. All the codes used in the game were used during WWII.