1. [Developer](/)
2. [Documentation](/documentation/ "Documentation")
4. Fortnite
* [Unreal Engine](/documentation/en-us/unreal-engine)
* [Fortnite](/documentation/en-us/fortnite)
* [MetaHuman](/documentation/en-us/metahuman)
* [Twinmotion](/documentation/en-us/twinmotion)
* [RealityScan Mobile](/documentation/en-us/realityscan-mobile)
* [Fab](/documentation/en-us/fab)
5. [Fortnite Documentation](/documentation/en-us/fortnite/fortnite-documentation "Fortnite Documentation")
6. AI and NPCs
AI and NPCs
===========
Learn how to use NPCs and create custom AI logic and behaviors for your islands!
In this section, you'll find everything you need to know about using artificial intelligence (AI) and non-playable characters (NPCs) on your island. This allows you to add a variety of gameplay and facilitate interesting interactions between the player and creatures and characters!
To understand how creating NPCs and AI behaviors work in UEFN, check out:
* [Understanding NPC Behaviors](https://dev.epicgames.com/documentation/en-us/fortnite/understanding-npc-behavior-in-unreal-editor-for-fortnite)
* [NPC Types](https://dev.epicgames.com/documentation/en-us/fortnite/npc-types-in-unreal-editor-for-fortnite)
One way to quickly set up and add custom behavior to an NPC is with the NPC Spawner Device. In this section, you’ll find all the information you need:
* [NPC Spawner Device](using-npc-spawner-devices-in-unreal-editor-for-fortnite)
* [NPC Character Definition](https://dev.epicgames.com/documentation/en-us/fortnite/using-npc-character-definitions-in-unreal-editor-for-fortnite)
* [Using the NPC Spawner with Animations](https://dev.epicgames.com/documentation/en-us/fortnite/using-the-npc-spawner-with-animations-in-unreal-editor-for-fortnite)
* [Create Custom NPC Behavior page](https://dev.epicgames.com/documentation/en-us/fortnite/create-custom-npc-behavior-in-unreal-editor-for-fortnite)
Want to see these concepts and devices in action? Check out our tutorials:
* [Create Your Own NPC Medic](create-your-own-npc-medic-in-verse)
[
Stronghold Template
Use Verse to create a stealth game where players must eliminate guards.
](https://dev.epicgames.com/documentation/en-us/fortnite/stronghold-template-in-unreal-editor-for-fortnite)[
Understanding NPC Behaviors
Learn about NPC Behavior and States and how NPCs use them for decision-making
](https://dev.epicgames.com/documentation/en-us/fortnite/understanding-npc-behavior-in-unreal-editor-for-fortnite)[
NPC Spawner Devices
Use NPCs to engage with players and liven your gameplay.
](https://dev.epicgames.com/documentation/en-us/fortnite/using-npc-spawner-devices-in-unreal-editor-for-fortnite)[
NPC Character Definitions
Create Character Definitions to add attributes that can be imported into the NPC Spawner device.
](https://dev.epicgames.com/documentation/en-us/fortnite/using-npc-character-definitions-in-unreal-editor-for-fortnite)[
Using the NPC Spawner with Animations
Use custom animations and emotes with the NPC Spawner device and Verse code.
](https://dev.epicgames.com/documentation/en-us/fortnite/using-the-npc-spawner-with-animations-in-unreal-editor-for-fortnite)[
Create Custom NPC Behavior
Use Verse code to create your own NPC behavior unique to your game design needs!
](https://dev.epicgames.com/documentation/en-us/fortnite/create-custom-npc-behavior-in-unreal-editor-for-fortnite)[
NPC Types
Learn about the different types of NPCs and how each of them works.
](https://dev.epicgames.com/documentation/en-us/fortnite/npc-types-in-unreal-editor-for-fortnite)
* [ai](https://dev.epicgames.com/community/search?query=ai)
* [npc](https://dev.epicgames.com/community/search?query=npc)
* * *
Ask questions and help your peers [Developer Forums](https://forums.unrealengine.com/categories?tag=fortnite)
Write your own tutorials or read those from others [Learning Library](https://dev.epicgames.com/community/fortnite/learning)