In Five Nights at Freddy's: Security Breach, players need to survive the night inside the Pizzaplex, while evading security bots that are patrolling in several areas in the complex, and defeating the animatronic mascots in order to progress in the horror survival game.
Along the way, they will encounter secrets that they need to unlock in gain access to the game's other elements, such as endings.
One of which is the Princess Quest arcade machines, which are all scattered around the Pizzaplex. They must find them not only to play them, but also to unlock one of the six potential endings for Five Nights at Freddy's: Security Breach.
There are three Princess Quest arcade machines in the game, and they can find the first two while they progress through Five Nights at Freddy's: Security Breach. However, for the third arcade machine, they will not get an access to it until they reach the end of the game.
Where to Find, How to Beat, the Third Princess Quest
In order to gain access to the third Princess Quest arcade machine, they need to play the first two, which can be found in the Famous Glamrock Beauty Salon and in the Fazcade.
Once they beaten the minigames in these arcade machines, and when they enter the 6:00 AM phase in the game, which is the moments before its ending, according to DBLTap, it will give them to option whether they leave the Pizzaplex or stay there.
Once they chose the "Vanny" option from that point, according to Attack of the Fanboy, it will initiate a cutscene until they will find themselves in front of the Fazerblast.
From there, according to Gamerpillar, they will run towards Vanny's lair, where they will choose between getting the "Destruction" ending or the "Hero," or "Saviour," ending.
After choosing the latter, they will saw the third and final Princess Quest arcade machine.
Once they start the said machine, according to IGN, they would notice that they are in the security office, where the last place they would see at the ending of the second Princess Quest arcade machine.
From there, they will go through the door to the right, then they will run towards the corridor. However, they must look out for several spirit bunnies that will be appearing in front and behind them. Because of this, they need to either dodge their attacks and run away or try to evade them and fight back.
Once they defeated or avoided them, they will continue traversing the said corridor until they reach the end, where they will see two doors. They will continue through one that is on their right, but they need to remember the door that is on their left.
After accessing through the right door, they will find themselves in a seating area with another two doors that they need to choose. Liker the first one, they will need to choose the right door, where they will enter a room filled with conveyor belts, ghosts, and ranged enemies.
From there, they need to make their way towards the middle part of the room, where they need to defeat the enemies that are spawned there, then they will use the conveyor belts that are going up in order to reach the fire pit above them.
They will light it, then use the conveyor belts to make their way towards the door in the top right corner, where they will take them to a room that has three fire pits and a chest.
They must light first the red fire pit to make the shadow appear in order to light the purple fire pit that is in the top left corner. This will stop the conveyor belt that is leading towards the orange fire pit.
Then, they will go towards the said fire pit and light it, then they will use the top conveyor belt to reach the chest, which contains the green Bonnie plush.
Next, they will head all the way back to the seating area, where they need to enter through the left door. After entering said door, they will encounter a wooden maze, where they need to traverse in order to avoid Foxy.
In this maze, they will need to light three fire pits - one on the bottom left, one on the top left, and one on the top right. If the animatronic mascot blocks their path, they will need to exit the maze and run around the exterior, then re-enter again to light them before it returns.
Once they lit all of the fire pits in the maze, they will run towards its center to grab the Vanny mask, then they will return to the seating area again, where they will make their way back to the door that they have passed when they exited the pizzeria corridor.
The said door will be on the left when heading through the door at the bottom of the said room. Once they went through the door, they will encounter a room that has a chest. From there, they will open it to get a key.
Afterwards, they will go back to the seating area, and approach the curtains at the top of the room. They will use the said key to open it, then they will enter the path within it.
As they are moving through the said path, they will encounter a few spirit bunnies that they need to either evade or fight against.
Once they went through, they will arrive a giant gate, where they need to open it until suddenly, the game will encounter a glitch, and then an "error message" appears in the arcade machine.
This will trigger the Hero ending, which will appear in a comic book form, revealing the fates of Gregory, Freddy, and Vanessa.
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