I viewed the new credits, and after doing so, I was unable to navigate through the menu with the arrow keys, and unable to move during the battles. I checked the settings, and it looked like this. After fixing the keybinds, I watched the credits again, and they once again reset. Even if the keybinds aren't set to anything, the left and right arrow still works perfectly to speed up/reverse the credits.

lol. Another unexpected Flash problem. I'll take a look at it when I'll get back home. Thanks for finding this.

That bug was vicious. A really hard-to-find issue in how Flash works, not even a problem in my code...