ARMA (styled ARMA) is a series of first person tactical military shooting games originally released for Microsoft Windows. It has elements of realism and simulation; large-scale military conflicts are all over the region, and there are also closer battles. The first game was released in 2006, the most recent in 2013. Later games have been released on Microsoft Windows, Linux, Android and IOS.

ARMA: Armed raids, known as ARMA: operations in the United States, is the first ARMA game, which was released in November 2006 (Czech Republic / Germany), February 2007 (Europe) and May 2007 (United States) for Microsoft Windows, using real virtualization 2.

ARMA 3 is a stand-alone game for Microsoft Windows, released on September 12, 2013, using the real virtualization 4 game engine. It uses steam's early access to open to the public for the first time on March 5, 2013. In late 2015 – early 2016, it was also released on Linux and MAC in an earlier version, aiming to catch up with major later versions of windows.