Alliance of Valiant Arms (Korean: 아바) (abbreviated as A.V.A) is a free-to-play online first-person shooter video game, developed by Red Duck Inc. and is using the Unreal Engine 3.
In North America and Europe, the game service is provided by Aeria Games, in the People's Republic of China, Tencent Games runs the server, and in Taiwan, it is run by WarTown. In Japan the game is hosted on Gamechu.
On June 15, 2011, A.V.A became available for download through Steam. However, it currently isn't available in some regions and some in-game items (particularly certain weapons) are only available to players in certain countries such as South Korea and Japan.