Does the subject want to ask, "What is the name of a ninja parkour game with left and right keys?" Ninja must die. Ninja Must Die is an adventure parkour game with a package size of 28.6MB, developed by Hangzhou Xiaobai Studio. This game is a ninja parkour game. In the game, players will press the left and right keys to avoid obstacles until the game is cleared. The competition will be held on 20111.