The game takes place in 2038, 18 years after the start of war: London has been invaded by demons from hell. It is very much a tireless and hellions looking for a way in our universe for a long time. Until recently, people have many champions looking to hold back the tide had. Several real-world events relegated to the background story of it as a block crossover attempts. The Crusades were actually forced to fight the minions of Hell, as was the charring of London in the great fire to wipe the plague. After the story, the famous Knights Templar were the keepers of knowledge about how these evil forces battle. Unfortunately, these heroes lived a charring of their own in the hands of a jealous King Phillip IV, who is in power in the world, was hated as a whole. Although the Templars survived as an organization, their numbers were significantly reduced and forced to remain in hiding to stay alive. As time and technology, old methods have begun to fade from memory, and lost secrets of magic. When the demons attacked again, they found their enemies unprepared. usual weapons were useless against the demons that could blow an RPG tower. The Templars offered their special services in the Army, but hesitated to their leaders, refusing to believe that new truths. Hell quickly took the victory in the battle for Earth. The Burn, a multi-decades hellforming or change our world in him, began. However, all is not lost, because different groups have to prepare for such an event. Freemasons built the London Underground with the devil constantly, and therefore the stations now act as bases, safe areas for future champions. These defenders armed with a mixture of modern weapons and magic, such as flamethrowers that Greek fire. In the game, will play one of these defenders. The game combines role-playing game mechanics with a first person shooter game. Although the game looks and plays like a first person shooter not Sign level receiving skill points or character statistics, costs, and the battle is influenced by both the product of skill players. High replayability is attempted through randomly generated levels, randomly placed monsters and fully random item drops and modifiers. In multiplayer mode, players can meet and organize for team play and quests in safe zones - the old Underground stations, protected by stations Freemasons. The world is divided into blocks or servers, but rather as a massively multiplayer online game with heavy bodies, such as Guild Wars to play. As in Diablo II, but it's different than most real禄 MMORPG, grouping with other players is optional. Each character is able to solo the entire game, though the team is to collect benefits in terms of experience and points. Difficulty becomes apparent, as in Diablo II, where the opposition is growing, it's more than compensate for more players play in such areas. Although the PC Gamer magazine that the game is Windows Vista and DirectX 10 support is shown, Flagship Studios has said that the game very well under Windows XP and systems-based DirectX 9 again. The game will be able to work equally well on PCs as old as 4 years with some adjustments with disabilities.