The Secret Boss Fight in Pet Simulator 99 is part of the recent Deep Backrooms update. While it’s not too difficult to challenge and defeat this boss, finding him can be a challenge. Since the boss is hidden in one of the rooms of the Backrooms, you’ll have to search the entire area to encounter him. Luckily, all your efforts will be rewarded, as defeating the Secret Boss promises a huge reward. Read on to find out where you can find and defeat this new foe.

To find the Secret Boss in Pet Sim 99, you’ll need to enter the Deep Backrooms area of the map. There, the boss will spawn in one of the locked rooms that you can unlock with a Deep Backrooms Key. You can find this key via the Backrooms Pack or by breaking objects in the Deep Backrooms. Once you have the key, you can unlock the door and fight the Secret Boss.

One thing you should know is that there are plenty of rooms in the Deep Backrooms. Also, the area is like a maze, so you can find yourself walking in a circle. So I advise you to keep track of your movements and avoid walking into the same room again.

Finding the Secret Boss in Pet Sim 99 is a real exploration, as there is no set spawn location for it, so all you can do is explore until you reach the right room.