1. Launch the game "Ninja Slash: Shuriken Masters" on your mobile device.

2. Begin by observing the game area, where blocks continuously appear as enemies.

3. Tap and hold your finger on the screen to aim your shuriken. A guide line will help you angle your shot.

4. While holding, adjust the direction by dragging your finger. Take your time to aim strategically at blocks with higher numbers or clusters.

5. Release your finger to launch the shuriken. It will fly in the chosen direction and start breaking blocks.

6. Each block has a number indicating how many hits it takes to destroy it. Target weaker blocks first or aim to bounce the shuriken to hit multiple blocks.

7. Collect new and powerful shuriken as you progress. These may have special abilities or deal more damage.

8. As you break blocks and defeat enemies, you earn points and rewards that help unlock new levels and weapons.

9. Use earned rewards to upgrade your shuriken and increase their power for tougher stages.

10. Continue playing to face increasingly challenging waves of blocks and become a true Shuriken Master.