Are you looking for the perfect guide to stealing the Brainrot Index ? Then you've come to the right place. Ferins' Creative Map offers many exciting secrets. A key element for your success is the Index. Today, we'll explain all the important details of this system.
What exactly is this index?
The index acts as your personal scrapbook on the map. You can find every Brainrot pet in this digital book. Once a pet has been in your base, it's permanently added to your index. The game divides the collection into different categories and events.
The first important category the game lists is all the "Defaults." Here you'll find familiar names like Fishini Bossini or the mighty Spidorobos Gigalitraktos . Once you completely fill a category, you unlock valuable rewards.

The major advantages of the index
Why should you invest time in the index? The Steal the Brainrot Index Guide shows you two huge advantages:
- Money multiplier: You will receive a permanent 0,5x multiplier for your earnings. This will allow you to accumulate gold much faster in your base.
- Free base skins: This is the best way for free-to-play players. Once you've indexed a category, the corresponding base is yours. For example, if you collect all the Darkness Brainrots, you automatically unlock the Darkness base design.
Of course, the game offers alternative ways to customize your base. You can purchase a different look for your base in the in-game shop. Such a skin costs 800 V-Bucks . However, usually only one base is available in the shop, and it's often the one from the latest event.
Older designs are almost impossible to find in the shop anymore. Therefore, you have to painstakingly collect all the Brainrots. Only then can you unlock your dream base. The index is your ticket to a unique look.
Current codes as of April 2026
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How to find and use the index
Where is this overview hidden? Look for the small book icon on the map . You'll find the index directly in your base. Additionally, you have quick access to it at any time via your inventory.

A special highlight awaits you after a certain Rebirth. You'll then unlock the helpful Brainrot Caller . Equip this item in your inventory. The book will immediately notify you when a new Brainrot appears. It will also remind you whenever you're missing a particular pet from your index, ensuring you never miss an opportunity to add to your collection.

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Other articles that might interest you:
- Fortnite Steal the Brainrot Rebirth Guide
- Fortnite Steal the Brainrot Machine Guide
- Fortnite Steal the Brainrot Admin Machine Guide






