ブレード忍者（Bladeheart Ninja）

version 4.89

fix bugs such as carton and black screen. optimize 3 boss, increase boss escape time prompt. The game will be paused when the boss is exchanging keys, and the two buttons will be dynamically exchanged to optimize the game experience. add tutorial mode and speed mode. Add a new ranking: speed charts. adjust and return to the main city to re-enter the game level, again to start from the death level, back to the main city again from the initial level.