Block Alien

An alien was injured on a distant planet, so a spaceship flied there to take him home. However on his way to the spaceship, the alien will encounter many obstacles. Click the blocks with the same color as the alien to make him avoid hitting obstacles. But the color of the alien will change randomly, it is not so easy to click the correct block every time. The alien may lose his life, if click a block with the different color from him.
Can you help the alien reach his spaceship safely? Let's try it