According to reports, the original script of the game gave the twin protagonists equal screen time, but the developers were asked to alter the script to include Jacob more than Evie.

One of the possible lines a boy might say when pleading for his life is “I’m just a poor boy. Please! Nobody loves me.” This is a reference to the song “Bohemian Rhapsody” by Queen.

Inside Westminster Hall, there is a reference to insult sword fighting from the Monkey Island series. When entering, you can overhear a man arguing with a woman, who will say, "You fight like a dairy farmer." which then she'll reply back saying, "How appropriate that I fight like a dairy farmer because you fight like a cow."

At least some advertisements in the game are based on real advertisements from the Victorian era. One example are the advertisements for 'W. H. Atkinson's Champion Plate Polish'.