3 monthly credits · No cardStart free512 × 512 — and a square icon that survives being shrunk to 64 pixels.
A place file with Luau 
Icons, thumbnails, GFX Five second clips
Sky Islands3 monthly credits · No cardStart freeSky IslandsA Roblox game icon is the square image beside your experience's name — 512 × 512 pixels — and it is the single most compressed piece of art in the platform: players see it at roughly 64 to 150 pixels in a scrolling list. That constraint is the whole design brief. An icon that packs in a full scene, a character and a title becomes grey mush at list size, while one bold symbol on a contrasting background stays legible. Describe the icon you want and Roblox AI generates it square at full size, so you can shrink it to 64 pixels in a preview and see immediately whether it survives. Generate a batch, judge them small, and only then look at them large.
You describe the game. Roblox AI builds the world, writes the Luau, and wires the systems — a complete, playable place, generated in minutes.
How it works
One prompt.
Type your game idea in plain English — the genre, the map, the rules. No coding required — the AI writes all the Luau for you.
The AI plans the build, writes the Luau scripts, places the parts and assembles a playable place file in minutes.
Download it, open it in Roblox Studio, and publish it from your own Studio session.
PlayableWhat it builds
Any game.
The same account generates avatar and outfit sources, classic clothing templates, UGC accessories and full characters — files you own, sized and formatted to pass Roblox upload rather than to look right in a preview.
Turn an idea into something playable to build on.
Get the avatar right without buying twice.
Design something uploadable without opening an image editor.
Make a UGC item worth publishing to the Marketplace.
Ship clothing that survives every body and animation.
Own a character nobody else can equip.
Give the game a face people click on.
Feed a channel without filming anything.
Start with 60 free credits each month. Starter is $15/month for 750 credits, Pro is $35/month for 1,900 credits and 720p video, and Max is $95/month for 5,250 credits and unlimited projects.
Try world building, images and video with 60 free credits every month. No credit card.
For creators making thumbnails and icons for their own experiences.
For creators shipping regularly. Adds 720p video and detailed 3D assets.
Best value per credit. For studios and anyone generating every day.
Credits refresh monthly with your plan. Cancel anytime.
512 × 512 pixels, square, PNG or JPG. Roblox displays it far smaller — around 64 to 150 pixels wide in lists — so the size you upload is not the size anyone judges it at.
One idea, big. A single symbol, strong colour contrast against the background, a thick outline so it separates from the page, and no small text — words below about a tenth of the icon's width are unreadable at list size. Icons that work look almost too simple at full size.
They should share a palette and a subject so your game is recognisable across the page, but they are not the same image at two sizes. The thumbnail shows the world; the icon is a mark. Cropping a thumbnail into a square is the most common way to end up with an unreadable icon.
One short word can work if it fills most of the frame — a title in a normal-sized font will not. Test it by shrinking the icon to 64 pixels: if you cannot read the word, players cannot either.
The only spec you have to hit is a 512 × 512 square, PNG or JPG, under 20 MB — there is no official layout template beyond that. What functions as a template is the composition: one subject centred, filling roughly two thirds of the frame, on a flat contrasting background. Generating at full size and previewing small does the same job a template grid would.
In Roblox Creator Dashboard, open your experience, go to the Basic Settings or Thumbnails section, and upload the new 512 × 512 image. It goes through Roblox moderation before it appears publicly, which usually takes minutes but can take longer.
Ready when you are
Your turn.
Describe an idea and generate a playable Roblox game in minutes. Start with 3 free monthly credits — no credit card and no coding required.
