Stop Building Shacks: How to Drop a Whole City in 5 Minutes

You’ve played Fortnite long enough to know that building a single wall takes about three seconds, but building an entire city? That takes years, caffeine, and a severe case of carpal tunnel. But what if you could snap your fingers and have a fully realized downtown district, a gritty warehouse district, or a sleek mall drop right into your island?

That’s where Prefabs come in. Think of prefabs as the ultimate "Copy-Paste" cheat code for level design. Instead of placing every brick, window, and roof tile manually, you grab a pre-built chunk of the map—a whole building or a street section—and drop it into your world. It’s like finding a rare chest, except instead of loot, you get architecture.

In this guide, we’re going to skip the boring "how to place a wall" stuff and dive straight into how to use Prefabs and Galleries to build a chaotic, custom Fortnite map faster than you can say "Victory Royale."

What You'll Learn

• The Difference Between Prefabs and Galleries: Why one is a whole building and the other is just the furniture inside it.
• How to Find the Good Stuff: Using the Gallery menu to filter by theme (like "Retail" or "Industrial") so you don’t waste time scrolling.
• Scene Graph Basics: How these objects sit in your world (Entities and Components) without getting bogged down in code.
• Building a District: A practical walkthrough of snapping together a mini-city block.

How It Works

Before we touch the creative tools, let’s clear up the terminology. In UEFN (Unreal Editor for Fortnite), everything you see is part of the Scene Graph. If that sounds scary, don’t worry. Think of the Scene Graph as your island’s inventory list.

• Entity: This is any object in your world. A player, a tree, a wall, or a prefab building. It’s the "thing" that exists.
• Component: These are the properties attached to an Entity. A wall’s component might be its color, its size, or its collision (whether bullets bounce off it or pass through).

Now, let’s talk about the two main ways to get assets into your Scene Graph: Prefabs and Galleries.

Prefabs: The "Whole House" Drop

Imagine you’re playing Battle Royale and you land on Retail Row. You don’t build the buildings from scratch; they’re already there. In Creative, a Prefab is exactly that: a pre-built structure. It could be a single storefront, a multi-story apartment, or a gas station. It comes with walls, floors, and roofs all pre-assembled.

• Game Analogy: A Prefab is like a Chest. You don’t open it to find a single item; you open it to find a whole kit of stuff (weapons, shields, materials) all ready to use.

Galleries: The "Furniture Store"

If Prefabs are whole buildings, Galleries are the loose items you place inside them. Trees, streetlights, crates, benches, and decorative rocks. These are individual pieces that you place one by one to add detail.

• Game Analogy: A Gallery is like your Loadout. You pick individual items (a shotgun, a medkit, a trap) and equip them. You don’t get a whole house; you get the tools to decorate it.

Themes: The "Loot Pool" Filter

When you open the Gallery menu, you’ll see categories like "Retail," "Industrial," "Seaside," and "Art Deco." These are Themes. They act like the different Loot Pools in Battle Royale. If you want a gritty warehouse district, you go to the "Industrial" theme. If you want a shopping mall, you go to "Retail." It’s the same mechanic as choosing between a Storm King chest and a regular chest—just for buildings instead of weapons.

Let's Build It

We’re going to build a quick "Retail Row" corner. We’ll use a Retail Prefab for the main store and some Gallery pieces to make it look lived-in.

Step 1: Open the Gallery Menu

Press M on your keyboard (or click the Gallery icon in the Creative UI) to open the Gallery. This is your inventory screen for assets.

Step 2: Find a Retail Prefab

1. On the left sidebar, click Prefabs.
2. At the top, you’ll see a search bar or category filters. Look for Retail.
3. You’ll see options like "Retail Storefront," "Mall Entrance," or "Gas Station." Let’s pick a Retail Storefront.
4. Click and drag it from the menu into your island.

Boom. You just placed a building. Notice how it’s already a complete structure? That’s the power of the Prefab.

Step 3: Add Detail with Galleries

A store without windows or signs looks suspicious. Let’s add some flair.

1. In the Gallery menu, switch from Prefabs to Galleries.
2. Select the Retail theme again.
3. Look for pieces like "Store Sign," "Window Display," or "Street Lamp."
4. Drag and drop these pieces around your new storefront.

Pro Tip: Use the Transform Tool (usually T) to rotate and resize these gallery pieces. Maybe the sign is too big? Scale it down. Maybe the lamp is facing the wrong way? Rotate it. This is where you make the prefab feel unique to your island.

Step 4: The Scene Graph Check

Let’s peek under the hood. Click on your new store. In the Inspector panel on the right, you’ll see the Scene Graph for that object.

• You’ll see the main Entity: Retail_Storefront_01.
• Under it, you’ll see child Components: Wall, Roof, Window.
• This hierarchy is why you can move the whole building by clicking once. The prefab is a single Entity with many Components inside it.

Step 5: Save and Test

Press Play to test your island. Walk up to your new store. Does it look like a place where players would actually hang out? If yes, you’ve just built a level in 30 seconds that would have taken 30 minutes to build brick-by-brick.

Try It Yourself

Challenge: Create a "Ghost Town" vibe.

1. Find an Industrial Prefab (like a warehouse or factory).
2. Use Gallery pieces to add "abandoned" details: crates, broken fences, or overgrown foliage.
3. Hint: Look for Gallery pieces with names like "Debris," "Rubble," or "Overgrown." Try placing them inside the warehouse to make it look looted.

Don’t just place them neatly! Scatter them like they’ve been there for years. Use the Transform tool to tilt them slightly for a more chaotic look.

Recap

• Prefabs are pre-built structures (whole buildings). Think of them as Chests that give you architecture.
• Galleries are individual decorative pieces (furniture, props). Think of them as your Loadout items.
• Themes (Retail, Industrial, etc.) are your filters. Use them to find assets that match your island’s vibe.
• Scene Graph is the hierarchy that keeps your prefab’s walls, roofs, and windows organized as one movable object.

You don’t need to be an architect to build a great island. You just need to know where to find the good stuff. Now go drop some retail on that island.

References

• https://dev.epicgames.com/documentation/en-us/fortnite/retail-prefabs-in-fortnite-creative
• https://dev.epicgames.com/documentation/en-us/fortnite-creative/using-prefabs-and-galleries-in-fortnite-creative
• https://dev.epicgames.com/documentation/en-us/fortnite-creative/shootem-up-knockem-down-in-fortnite-creative
• https://dev.epicgames.com/documentation/en-us/fortnite-creative/using-industrial-prefabs-in-fortnite-creative
• https://dev.epicgames.com/documentation/en-us/fortnite/industrial-prefabs-in-fortnite-creative