Arsenal of Democracy, or AoD, is a grand strategy wargame that is based on Hearts of Iron II and its Europa engine. It is developed by BL-Logic, a development studio made up by fans of the Hearts of Iron series and active members of the modding community. It was announced on September 8, 2009 and released on February 23, 2010. As in other games in the grand strategy Hearts of Iron series, Arsenal of Democracy allows for the player take control of and manage nearly any World War Two and early Cold War era nation-state including its political, diplomatic, espionage, economic, military, and technological aspects. Source: Wikipedia, "Arsenal of Democracy (video game)," available under the CC-BY-SA License.