It is the fourth release of the FNF test playground and more fun is waiting for the fans of this music series. You know that developers allow you to test favorite characters and even modify them to your taste. Now, you can experiment with 10 more personages, including Sonic EXE, Ball and many more. Just select a hero and let the fun begin. You will be able to create your own music and then change vocals of the chosen character. Look at all of them from an entirely new perspective and enjoy!