No Game No Life Gaiden: Practical War Game (ノーゲーム・ノーライフ プラクティカルウォーゲーム No Game No Life Gaiden: Practical War Game)? is a Gaiden volume of the of the No Game, No Life Light Novel series, published on December 23, 2016. It was releases in two different editions, the regular one and a special limited edition, that was bundled with a Sora Nendoroid.