In addition, the Militia line of units can be outfitted with armor that boosts their resistance to missile damage thanks to new technology available in the Castle Age.
Although players are treated to an animated ending cinematic after vanquishing the final boss in a normal run, they can unlock the "true" ending by completing the game with Permadeath enabled.
The story follows the murder of controversial artist Mordechai Grey. A year after his death, an exhibition has been opened which features six of his most famous portraits, and each is a potential suspect in the murder.
The Midland Main Line route add-on covers an extensive part of the British rail network and is composed of three cities - Derby, Nottingham and Leicester.