Alliance of Valiant Arms (abbreviated as A.V.A, Korean: 아바, romanized: Aba, 简体中文：《战地之王》, 繁體中文：《戰地之王》) is a free-to-play online first-person shooter video game, developed by now-defunct Red Duck, Inc. using Unreal Engine 3. Since then, Neowiz has taken over the development and publishing of the game after aquiring its intellectual property. In North America and Europe, the game was published by En Masse Entertainment (2016-2018), Aeria Games (2012-2016), and ijji (2009-2012). It is hosted in the People's Republic of China by Tencent Games, and in Taiwan by Garena(previously WarTown). In Japan and Korea the game is hosted by NEOWIZ (operator of Pmang). On June 15, 2011, A.V.A became available for download through Steam. The North American and European version of the game was shut down on June 29, 2018. Red Duck, Inc. attempted to self-publish a modified version of the game for these regions called Alliance of Valiant Arms: DOG TAG, launching an unsuccessful open beta on May 2, 2019. AVA: Dog Tag was shut down on May 29, 2019. The servers were also shut down for Taiwanese version on July 30, 2019 and September 25, 2019 for Chinese version.

John Scott Russell FRSE FRS FRSA (9 May 1808, Parkhead, Glasgow – 8 June 1882, Ventnor, Isle of Wight) was a Scottish civil engineer, naval architect and shipbuilder who built Great Eastern in collaboration with Isambard Kingdom Brunel. He made the discovery of the wave of translation that gave birth to the modern study of solitons, and developed the wave-line system of ship construction. Russell was a promoter of the Great Exhibition of 1851.
John Scott Russell in 1847

Alliance of Valiant Arms

19th-century Scottish businesspeople

John Scott Russell

Alliance of Valiant Arms (abbreviated as A.V.A, Korean: 아바, romanized: Aba, 简体中文：《战地之王》, 繁體中文：《戰地之王》) is a free-to-play online first-person shooter video game, developed by now-defunct Red Duck, Inc. using Unreal Engine 3. Since then, Neowiz has taken over the development and publishing of the game after aquiring its intellectual property. On June 15, 2011, A.V.A became available for download through Steam.