FNAF Ultimate Custom Night – What is this Nightmare?

FNAF Ultimate Custom Night has been finally released and it is expected to be the final title of FNAF series (or at least the final chapter of Afton family). It is like a final love letter for all fans of this creepy horror game with extremely convoluted secrets. At first glance, the game may just look like a mere fun little game. But the more we dwell into this madness, the more intriguing it becomes: What is this world? What are the meanings behind the animatronics’ death dialogue? And more importantly: Who is the player? Such question is far too fascinating to ignore. And so, let’s try to crack up this huge mystery in FNAF Ultimate Custom Night!


Table of Content:
1. What is the world in FNAF Ultimate Custom Night?
2. Is the player William Afton?
3. “The One You Should Not Have Killed”
4. Will The Vengeance End?

*Disclamer: The theories explained here are made by other players and theorists. Here we will only try to round up all the ideas in the most understandable as possible.

1. What is the world in FNAF Ultimate Custom Night?

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Welcome to the nightmare! (Source: Internet)

In the Ultimate Custom Night, players are offered all 50 animatronics and 4 different offices to choose from and enjoy this hellish experience. All 4 offices are based on the offices back in previous FNAF games, starting from FNAF 1. So why is that? Why players get to encounter all the animatronics in the same offices we have experienced in previous games?

Certain characters have rather interesting death dialogues like Withered Bonnie:

  • What is this new prison? Is it me trapped, or is it you? Perhaps it’s us both.”

Or Ballora:

  • These are strange circumstances that have brought us together.”

These dialogue strongly implies that this is a totally new world, a new realm, a sort of “prison” for the character who players playing. But what is this world? Well, Nightmarionne also has some interesting stuffs to say:

  • Thi-is is a n-nightmare that you won’t w-wake from!


  • Let’s ta-aste death…again…and again…and again...”
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The end of William Afton in the living world. (Source: Internet)

So according to Nightmarionne, this realm is a nightmare which this game’s protagonist has to experience death supposedly for eternity. For some reason, this description strongly reminds players of FNAF 6’s ending (or Freddy Fazbear’s Pizzeria Simulator) in which Henry – the old friend of William Afton and also the co-inventor of the animatronics – succeeded in his plan of burning all the remaining animatronics, including Springtrap a.k.a Willaim Afton and released their spirits. And to even more interesting, Henry stated that:

  • For most of you, I believe there is peace and perhaps more waiting for you after the smoke clears. Although, for one of you, the darkest pit of Hell has opened to swallow you whole, so don’t keep the devil waiting, old friend.”

This “old friend” clearly refers to William Afton and as Henry said: William will be sent into the Hell. This piece of information feels strongly connected to FNAF Ultimate Custom Night. So does that mean the game takes place in hell? Maybe? Do the players assume the role of William Afton? It is highly so since there are so many things backing up this theory.

2. Is the player William Afton?

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Are we playing as William? (Source: Internet)

At the moment, this is the most accepted theory throughout the Internet. In fact, it does really make sense if we connect the clues in Ultimate Custom Night and FNAF 6’s True Ending.

As we already know, William Afton is the infamous serial killer throughout the franchise who had built the animatronics with the help from Henry. He killed so, so many children, including those from FNAF 1, AND, Henry’s child who later on possessed the Puppet. With all of his horrible deeds, clearly all animatronics throughout the franchise would like to have a “word” with him.

But then it comes to the next question: Why does this happen? Is there anyone behind this hellish punishment?

3. “The One You Should Not Have Killed

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“The one you should not have killed” (Source: Internet)

Yes! Indeed there is an “entity” called as “the one you should not have killed” which is mentioned by many animatronics, for example:

  • Nightmare Freddy: “I am remade, but not by you, by the one you should not have killed.”
  • Jack-o-Chica: “Greetings from the fire, and from the one you should not have killed.”

So clearly this implies that there was another unfortunate victim which we kind of missed. Whoever this victim may be, it is clear that this entity is very powerful, even more powerful than the Puppet. We know that the Puppet was the protector of the killed children’s souls. But this so-called “the one you should not have killed” can do more than that. This victim is so powerful, so hateful towards William that this entity can even create this pocket hell to torture William.

Interesting enough, this entity sometimes appears after the death scene, or, in the vent with a creepy smiling face. It will be impossible if we want to analyze whether this entity is a boy or a girl based on the image alone. However, it is confirmed by several animatronics that this “the one you should not have killed” is a boy:

  • Mangle: “He‘s here, and always watching, the one you shouldn’t have killed.
  • Withered Chica: “I have seen him, the one you shouldn’t have killed.”

So he – “the one you should not have killed” – is the entity who’s behind this pocket hell which William Afton experiencing.

The “Vengeful Spirit

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Are they controlled by the Vengeful Spirit? (Source: Internet)

Throughout the game, there is no clear trace of “the one you should not have killed”. It seems this guy does not appear directly (accept for his creepy face image). For some reason, he is more like a secret schemer who stays in the shadow and pulling the strings. He keeps watching, and possibly, enjoying this repeating pain William experiencing. The Mediocre Melodies animatronics are the best examples for this theory, specifically: Nedd Bear, Happy Frog, and Orville Elephant. For most of the time, these guys have rather funny death dialogue. But there are small chances that they will speak more obnoxious stuffs:

  • Nedd Bear: “This is how it feels, and now you get to experience it over, and over, and over again… forever. I will never let you leave.”
  • Happy Frog: “We’ve only just begun. I’ll never let you leave. I’ll never let you rest.”
  • Orville Elephant: “He tried to release you. He tried to release us. But I’m not gonna let that happen. I will hold you here. I will keep you here, no matter how many times they burn us.”
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The job’s details (Source: Internet)

Pay attention closely to the dialogue, we can even hear a whispering female voice. At first glance, this female voice may sound like Circus Baby. But according to MatPat, this whispering female voice actually belongs to an unique character, a character which does not match with any other animatronics in the game. Specifically, this voice belongs to a character with code-name “Vengeful Spirit”, played by Tabatha Skanes. The voice-acting job description for “Vengeful Spirit” said:

  • This is for the voice of a young child, who speaks in a whisper from the shadows. This child is in control, and is toying with the player, who is helpless to change their situation or prevent their inevitable end. The gender should not be immediately clear, it should work as either a young boy or a young girl, and you are welcome to do readings leaning one way or the other.”

So clearly this strongly suggests that the whispering female voice behind Nedd Bear, Happy Frog, and Orville Elephant are actually not Circus Baby. It belongs to this Vengeful Spirit who definitely has a deep hatred for William. The Vengeful Spirit does not want William to rest; he wants to torture William over and over until he feels satisfied.

If all these theories are true, then who is this Vengeful Spirit exactly? Surely he is not just some brand new character suddenly appears, right?

Golden Freddy? Cassidy?

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The twitching Golden Freddy (Source: Internet)

Ultimate Custom Night is supposed to be an extremely difficult, or rather, nearly impossible if we put in 40+ animatronics with max difficulty level of 20. However, if players managed to reach 9800 points, a peculiar “ending scene” will appear featuring Golden Freddy twitching and gradually fade into the darkness. This scene is similar to the trailer of FNAF 3 when Springtrap kept twitching, implying a soul who does not want to give up. In this case, it is believed that Golden Freddy is the animatronic possessed by the Vengeful Spirit. He refuses to let William go even in death. This is further proven by the fact that if players use Deathcoin to kill Golden Freddy, he will kill the players right away in the form of Fredbear.

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Old Man Consequences mini-game (Source: Internet)

Another clue supporting this theory is that: When players set Old Man Consequences to 1 and all other characters to 0, catching a fish will trigger a mini-game in which players will control a character resembling Golden Freddy. If players talk to Old Man Consequences, he will say: “Leave the demon to his demons. Rest your own soul. There is nothing else.”

The demon” is highly referring to William Afton – the mad killers of the franchise. This means: Old Man Consequences is convincing Golden Freddy to let everything go. Let his own soul to be free and let William fall into the Hell he deserves. If players let glitch inside the pond Golden Freddy by pressing A and D rapidly, the game will crash. Interesting enough, if players speed up the background music in this mini-game, they will hear some sort of robotic screaming. And with further analysis, the screaming somehow sounds like “I hate“, “Mike” and “Henry”.

So it seems we can confirm that this Vengeful Spirit is Golden Freddy. But who is Golden Freddy was still a mystery… until now. In the FNAF Survival Logbook, there are several cues hinting the identity of Golden Freddy thanks to the infamous quote: “It’s me.” These cues finally lead to a name: Cassidy. Further analysis leads to the final book: FNAF The Fourth Closet. In this book, there is a character named Cassidy described as a girl with black hair. This piece of information fits perfectly with a picture in FNAF Survival Logbook which features the Puppet presenting a birthday cake to a girl with black hair. This finding is absolutely fascinating since it reminds players back to FNAF 3’s mini-game Happiest Day. In this mini-game, all the children finally enjoyed their happy moment and decided to be free, including Golden Freddy. However, now we know that Golden Freddy in fact hasn’t let go of her hatred. She still cannot let William be, she still wants revenge.

4. Will The Vengeance End?

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A neverending nightmare – reflection of William’s sins (Source: Internet)

In the end, FNAF Ultimate Custom Night is like a nightmarish realm, created by the hateful spirit of Golden Freddy – Cassidy. When William – Springtrap was burned down in FNAF 6, his soul was expected to fall into hell. But for Golden Freddy, this was not enough. She wanted vengeance, vengeance by herself. Therefore, she created this realm to torture William over and over with all the animatronics throughout the franchise.

Still, there is an argument against the idea of players being William: If players are William, why both Springtrap and William Afton appeared as the selectable animatronics in the first place? Would not it be illogical? And while it does sound right, it can be argued back that this world is a reflection of William’s evil deed. In other words, William had to experience the exact same terror which other people went through, including his own evil reflection – Springtrap and William Afton. Even the Nightmarion said: “I am the fearful reflec-ection of what you have created!

After all… Is this worth it?

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“The wisest animatronic to date” (Source: Internet)

But after all this, are we going too hard into this game? Just like Mr. Hippo said: “Sometimes, a…y’know, sometimes, a story’s just a story. You try to read into every little thing, and find meaning in everything anyone says, you’ll just drive yourself crazy.” And also just think about it: isn’t we – the players – are the one pushing William into this nightmare? MatPat had quite an interesting point about this: as long as we play the game, William will keep experiencing this nightmare and Golden Freddy will never find peace. Even if we beat the game in 50/20 mode, all we see is a twitching Golden Freddy – a hateful spirit who still does not want to let go. Which means: no matter how hard players try; the hatred will still not go away. It is the player who doesn’t let Golden Freddy rest. In addition, after completing Old Man Consequences mini-game, the game is crash, meaning everything is over.

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It’s time to let everything go. (Source: Internet)

Rest your own soul. There is nothing else.” This message may not only for Golden Freddy, it can also for the players: “You have beaten the franchise, it’s time to let go! It’s time to move on!

Nonetheless, FNAF Ultimate Custom Night and FNAF series in overall is extremely fascinating with twists and dark secrets. Perhaps someday people will let it go but at the moment, there are still secrets, questions to be answer.

And what about you? What do you think about the game and the series in overall? Feel free to share with us and for now, thank you and stay tune for more news in the future!

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