ĪRMA 3 mainly takes place in the mid-2030s, on the islands of Altis and Stratis in the Aegean Sea, and the South Pacific island of Tanoa, as well as the island of Malden and a landlocked terrain set in the historical region of Livonia. It was released for Microsoft Windows in September 2013, and later announced for macOS and Linux in August 2015. ARMA 3 is an open-world, realism-based, military tactical shooter video game developed and published by Bohemia Interactive exclusively through the Steam distribution platform.