How to Create Roblox GUIs with AI

GUIs are the single biggest reason indie Roblox games look amateur. Even when the gameplay is great, a janky UI — misaligned text, wrong fonts, inconsistent padding, buttons that scale weirdly on different screen sizes — kills first impressions. Building good UI by hand requires understanding AnchorPoint, Size (Scale vs Offset), UIListLayout constraints, and a lot of patience.

AI tooling fixes all of that. You describe the UI you want and a plugin generates a clean Frame/TextLabel hierarchy with proper anchors, sizing, and theming. This guide walks through the workflow.

What AI generates well for Roblox UI

The good news: ScreenGui structure is one of the easiest things to AI-generate, because it's all declarative. A "shop menu with three columns of items, each with an icon, name, price, and buy button" maps cleanly to nested Frames and UIListLayouts.

Things that work well:

• HUDs (health bars, money counters, ammo indicators)
• Menus (main menu, pause menu, settings)
• Shops and inventories
• Dialog boxes
• Leaderboards and stat displays
• Notification toasts

Things that still need hand-tuning:

• Animated transitions (sliding panels, fade-ins) — AI can do basic Tween code but complex multi-stage animations are finicky
• Custom-shaped buttons (anything that's not a rectangle with rounded corners)
• Pixel-perfect alignment with art assets — when the UI has to match a specific background image exactly

Step 1: Describe the layout, not the styling

The structural part of a UI is the part AI is best at. Lead with structure.

Bad prompt:

Make a nice menu

Better prompt:

A pause menu ScreenGui with a centered 400×500 panel. Title "Paused" at the top. Below it, three full-width buttons stacked: "Resume," "Settings," "Quit to Lobby." Dark semi-transparent background behind the panel.

The second prompt is six sentences and gets you a working menu. The first prompt gets you a guess at what "nice" means.

For styling — colors, fonts, corner radii — you can describe it in the prompt or set a theme up front:

Style theme: dark mode. Backgrounds are #0E1116. Accent is #4BE3A0. Body text is #E5E7EB. Font is GothamSemibold. Buttons have UICorner radius 10.

Once you've defined that theme, every subsequent UI prompt uses it automatically.

Step 2: Build incrementally

Generate the skeleton first, then add detail. This avoids huge unreadable Instance hierarchies and makes it easier to fix what's wrong.

A good sequence:

1. "Create the pause menu ScreenGui with the panel and three buttons."
2. Test in-game. Does it center correctly on different resolutions?
3. "Add a settings sub-menu that opens when 'Settings' is clicked, sliding in from the right."
4. Test the slide. Tune timing if needed.
5. "Add a volume slider to the settings menu with a label 'Music' and another 'SFX', each from 0 to 100."

Five rounds, each scoped and reviewable. Much better than one giant prompt that produces a 50-instance mess.

Step 3: Get scaling right

This is where most hand-built Roblox UIs fall over. A menu that looks great on a 1920×1080 monitor disappears off-screen on mobile or wraps weirdly on a 1366×768 laptop.

The rules:

• Use Scale-based sizing for layout containers. A panel that's UDim2.new(0.4, 0, 0.5, 0) is always 40% wide and 50% tall regardless of device.
• Use Offset-based sizing for typography and small elements. Text and buttons read at fixed pixel sizes.
• Use UIAspectRatioConstraint when you want elements to keep proportions instead of stretching.
• Set AnchorPoint = (0.5, 0.5) on centered elements, then position at (0.5, 0, 0.5, 0). They'll always be centered.

Tell the AI to "use Scale-based sizing with appropriate AnchorPoint and UIAspectRatioConstraint" and it usually does this correctly. If something looks broken on resize, the fix is almost always switching Offset to Scale or adding an AspectRatioConstraint.

Step 4: Theme the whole game from one place

Don't let the AI hardcode colors and fonts into every UI element. Have it create a Theme ModuleScript in ReplicatedStorage with named colors and fonts, then reference that module from each UI:

return {
  bg = Color3.fromRGB(14, 17, 22),
  accent = Color3.fromRGB(75, 227, 160),
  text = Color3.fromRGB(229, 231, 235),
  font = Enum.Font.GothamSemibold,
}

Now when you decide to change the accent color from green to purple, you edit one line and the entire game updates. AI plugins can refactor this for you after the fact — "extract the colors and fonts in all my GUIs into a Theme module."

Step 5: Wire up the logic

A pretty UI that doesn't do anything is wasted. After generating the UI hierarchy, generate the LocalScript that connects buttons to behavior. See How to Generate Lua Scripts with AI for Roblox for the script side.

A typical setup:

• ScreenGui lives in StarterGui
• LocalScript in StarterPlayer.StarterPlayerScripts references the ScreenGui via Players.LocalPlayer:WaitForChild("PlayerGui")
• Button .MouseButton1Click events call into game logic, possibly through RemoteEvents to the server

The AI handles all of this when you ask "wire up the pause menu — Resume closes it, Settings opens the settings panel, Quit to Lobby teleports the player back to the lobby place."

Common pitfalls

Z-index hell. When UIs overlap incorrectly, it's almost always ZIndex. Higher ZIndex draws on top. AI sometimes sets these inconsistently.

Buttons not clickable. If a button doesn't respond, check: (1) is it parented to a ScreenGui that's actually enabled? (2) is there an invisible Frame on top of it eating the input? (3) is Active = true and Interactable = true?

Text getting cut off. TextLabels respect their Size. If text is clipped, either TextScaled = true (sizes text to fit) or AutomaticSize = Enum.AutomaticSize.Y (grows the label to fit text).

Mobile not handled. Roblox runs on phones too. Test on mobile or at least the small-aspect-ratio Studio device emulator. If buttons are too small to tap, increase their Offset size.

Pair UI with the rest of your game

UI is part of a system. The full picture:

• How to Generate Lua Scripts with AI for Roblox — make buttons do things
• How to Generate 3D Models for Roblox Studio with AI — generate icons and props your UI references
• How to Build a Roblox Game with AI — the full workflow

Install Revix and try generating your first ScreenGui in under a minute.