Use the mask when you see Boney, Fred, or Checa. For Fexy you need to use the light. Click "wind up music box" before the number on top goes to 0 or the Pippet will get you! The farther into the game you go the more often they attack! Once you beat the night click the green flag again and you will be at the next night. Checa Comes at night 2, and Fexy comes at night 3.
I copied the actual game, "Five Nights at Freddy's 2" I made everything except the mask, which is from _____. (I'm not done with this game, I'm going to be making it better and maybe adding new characters. Tell me in the comments if you want me to copy a different game or add a new character! I will most likely do your idea.)