High Quality Content by WIKIPEDIA articles! ARMA 2 (often incorrectly referred to as Armed Assault 2) is a tactical shooter video game for the PC developed by Bohemia Interactive Studio. It is considered the spiritual successor in the Operation Flashpoint-series following its predecessor, ArmA: Armed Assault (ArmA: Combat Operations in North America). ARMA 2 was released in June and July 2009. An expansion pack titled ARMA 2: Operation Arrowhead was released in 2010. In June 2011 a free to play version of the game was released, featuring multiplayer and limited singleplayer modes.