AI Roblox game makers compared

We make BloxMaps, so read this knowing that. Everything about another tool comes from its maker's own website or the press linked next to it, read on 2026-10-16. Where a page didn't say, we write "not published" rather than guess. We haven't run side-by-side tests of other tools, so we don't rate them.

Three kinds of AI game maker

Before comparing names, compare what they hand you, because that decides most of what comes after.

They combine well: a generated game file opens in Studio, where Assistant or an agent can keep changing it.

The tools side by side

Sources are linked in the sections below. Prices are as shown on the makers' pages on 2026-10-16 and change often.

Roblox's own: Build and Assistant

Roblox Build is a creation tab in the Roblox app. You describe a game and it makes a basic playable starting point, with no Studio and no code. Its public alpha opened in New Zealand on July 28, 2026, for age-verified users; Roblox says the base version is free, with paid tiers for heavy users (TNW). A hands-on test took about 10 to 15 minutes for a first version and describes it as a starting point to refine (Pocket Tactics).

Roblox Assistant is the AI inside Studio. Roblox's April 2026 update added a Planning Mode that asks questions and writes an editable plan, a Playtesting Agent in beta, and a built-in MCP server so outside AI apps can work in your project (Roblox newsroom, MCP setup).

We compare both with BloxMaps in more detail, including where they're the better pick, on BloxMaps vs Roblox Build.

Studio agents: Rebirth, Ropilot, Superbullet

These work in a place you have open in Roblox Studio and change it as you ask. In their makers' words:

• Rebirth calls itself an AI that builds Roblox games for you: you describe a game, and it writes the scripts and builds the world in Studio. Sign-up gives 5 free credits, every prompt costs one credit whatever its size, and the pricing page lists Hobby at $8.99 a month (50 prompts to start, 10 a day) and Pro at $15.99 (150 to start, 25 a day).
• Ropilot is a desktop app for Windows, macOS and Linux that installs a Studio plugin. It says it writes the scripts, models and animates assets (through Blender) and playtests in your game. New accounts get starter credits; it lists a Plus plan at $20 a month and credit packs from $8.
• SuperbulletAI is a Windows download that says it generates UI, animations, VFX, 3D builds and full game logic from descriptions. Its prices weren't on the pages we could read.

Where agents are the better pick: a game you already have, and work that goes on for weeks. They see your real place, so they can fix a script or add a feature to what's there. Watch out for: fast changes to many scripts at once. Save a copy first and test after each change.

Whole-game generators: Lemonade, Obby, BloxMaps

These build a new game from a sentence on a website.

• Lemonade's homepage is a prompt box ("Build a farm game..." style examples) and a sign-in to start building. The homepage doesn't say what files you get or what it costs.
• Obby says it turns a game idea into a playable Roblox project: a 3D map, server-side Luau and UI for shops and progression, previewed in the browser and exported to Roblox Studio. That page doesn't list prices.

BloxMaps builds one Roblox Studio file per game: the map, the HUD and menus, a shop with game passes and developer products connected to Roblox's purchase prompts, the genre's gameplay systems and saving. What we can show for it:

• Measured speed: in 1,694 of our own test builds (2026-10-06 to 2026-10-10) a whole game took 53 seconds at the median, and 9 in 10 finished within 162 seconds. A busy queue adds waiting time.
• A public gallery of real builds you can look through before signing up: the gallery.
• Maps of your own: maps go up to 4,096 studs across on the Studio plan, and each account gets its own: a prompt and seed copied from someone else's map builds a different map for you. City maps get a downtown skyline around a landmark tower. See the map generator.
• Surfaces that load in game: map surfaces use SmoothPlastic or our own PBR material variants, carried inside the file so they show in the published game too.
• A check before you get it: the file is read back and run headless to check its scripts start and its UI builds. That runs without the real Roblox engine, so you still press Play in Studio.
• Cost: Making and previewing is free: 3 previews a day on the Free plan. You pay only to export. See pricing.

Where BloxMaps is weaker: it builds the formats it knows (an unusual idea gets the closest one), it can't edit a place you already have, and changing a built game means building again with a changed prompt or editing in Studio. Exporting is paid, and it's an independent site, not part of Roblox.

What to check before you pay

Marketing pages all sound alike. These questions separate the tools, and most can be answered in a free try:

1. What file do you get? A place you open in Studio (.rbxl or .rbxlx), scripts you paste in yourself, or a project that stays on the tool's site?
2. Can you see it before paying? A preview, a gallery of real results, or only a description?
3. What does one game cost? Per prompt, per month or per export. A "credit" per prompt adds up fast if a game takes twenty prompts.
4. Does the money side work? Are game passes and developer products wired to Roblox's purchase prompts, and do paid random items show their odds?
5. Is it checked? Does the tool test its output, and does it say honestly what its test can't cover?
6. Is it clean? No hidden scripts that load code from outside, no links off Roblox, no ads for the tool inside your game.
7. Does it fit a phone? Many Roblox players are on phones. Look at the UI in Studio's device emulator.

Test any of them in 15 minutes

The fairest comparison is your own. Give each tool the same three prompts, then open the result in Roblox Studio and press Play:

1. A simple one: "An obby with 20 stages in a candy world, checkpoints and a stage counter."
2. A money one: "A pet simulator: click to earn coins, buy eggs, hatch pets that boost coins, with a shop and a VIP game pass."
3. A big one: "A battle royale island with three towns, a military base and roads between them."

For each, note: how long it took, whether it runs without errors in the Output window, whether the shop opens and the purchase prompt appears, whether progress saves (publish a private copy to test saving), and how it looks on a phone screen. Ten minutes in Studio tells you more than any comparison page, including this one.

Which kind fits you

• Only a phone: Roblox Build, where it's open.
• A game you already have: Roblox Assistant first, a Studio agent for bigger jobs.
• Nothing yet, and a computer: a whole-game generator for the starting file, then Studio (and Assistant) to make it yours.
• Learning to code: a chatbot as a tutor while you type the code yourself.

Setup steps for each route: how to make a Roblox game with AI, without coding, or by hand in how to make a Roblox game. Once it's built: making a game that earns Robux.