Fate/Grand Order (Japanese: フェイト・グランドオーダー, Hepburn: Feito/Gurando Ōdā) is a free-to-play Japanese mobile game, developed by Lasengle (formerly Delightworks) using Unity,[1][2] and published by Aniplex, a subsidiary of Sony Music Entertainment Japan. The game is based on Type-Moon's Fate/stay night franchise, and was released in Japan on 29 July 2015 for Android,[3] and on 12 August 2015, for iOS. English-language versions followed on 25 June 2017 in the United States and Canada,[4][5] and a Korean version was released on 21 November 2017.[6] An arcade version titled Fate/Grand Order Arcade was released by Sega in Japan on 26 July 2018.

The game is centered around turn-based combat where the player, who takes on the role of a "Master", summons and commands powerful familiars known as "Servants" to battle enemies. The story narrative is presented in a visual novel format, and each Servant has their own scenario which the player can explore. Servants are obtained through the gacha mechanic. As of July 2021, the game grossed $5.4 billion worldwide, making it the seventh highest-grossing mobile game of all time.