- It is possible to not get a perfect while there was no visible damage. These waves are considered a perfect. Note: When you get hit, and the health gauge wasn't shown, but there was some red on the sides of the screen, then you actually did lose some health. | - It is possible to not get a perfect while there was no visible damage. These waves are considered a perfect. Note: When you get hit, and the health gauge wasn't shown, but there was some red on the sides of the screen, then you actually did lose some health. |