Developed by a team of experienced modders from the Paradox forum, Darkest Hour is a stand-alone Hearts of Iron game featuring a mixture of short and in-depth campaigns set across the darkest chapters of the 20th century, from the outbreak of the Great War up to the onset of the Cold War.

Darkest Hour will introduce a new artificial intelligence that is now able to react to hundreds of different situations simultaneously, along with a dynamic diplomatic system that will allow the player to have a real impact on the course of history.

• Short and grand campaigns allow players to experience the darkest hours of the 20th century, from the Great War to the onset of the Cold War
• New map, redesigned to offer greater detail as well as strategic and tactical opportunities
• Dynamic diplomatic system giving the player greater influence on the course of events
• New artificial intelligence capable of reacting to hundreds of different situations