AI game maker comparison: the five axes that matter
By Eduardo Orellana · Updated
Flockbay is free on your own Claude or ChatGPT plan. Claude Pro or Max, or ChatGPT Plus or higher, builds a real Godot project in the Godot editor. Claude Free and ChatGPT Free do not run here. More models are optional, a credit reload at API prices. Windows today. The engine is the official Godot release. A feature list will not tell AI game makers apart, because every tool lists the same features. Five structural properties do, and once you know a tool's position on those five you can predict almost everything else about using it. The table further down puts nine named tools on them, read from each tool's own site.
Axis one: where the game runs
In a browser tab, or natively on your machine. This is the most predictive single fact about any tool in the category.
A tab constrains object counts, world size, texture budget and framerate, and no amount of cleverness in the tool changes that. Tools in this position steer you toward small, flat scenes whether or not their marketing says so.
Native means the limit is your hardware, which is at least a limit you can see and upgrade. The cost is that it is a download, on specific operating systems, with a machine requirement.
Axis two: what you hold at the end
A project in a standard engine format that other software can open, or a document that exists only inside the service that made it.
The second is a completely legitimate product and it is what makes instant sharing possible. It becomes a problem exactly once: when you want to do something the tool does not do, and there is nowhere to take the work.
The test is one question. If this company shut down, or if you wanted to hand the project to a developer, what would you send them?
More on this: What is a no-code game engine?
Axis three: how the code is produced
Assembled from a fixed list of behaviours, wired together as a graph, or written as real script by a model.
The list is fastest to start and has a ceiling shaped exactly like the list. The graph composes further but is programming with a different notation. Written script has the engine's ceiling rather than the tool's, and costs a round or two of iteration to get right.
The useful question to ask any tool: what happens when I need a behaviour nobody anticipated? The answer separates the three cleanly.
More on this: Who writes the code in Flockbay?
Axis four: who builds the world
The model, or you. Tools that generate levels are faster to a first result and produce something generic, because a landscape has no correctness test and a description only ever gets close.
Tools that make you build it are slower to a first result and produce the place you meant. Which one is right depends entirely on whether the world is part of what you care about.
This axis is the one most buried in marketing, because "generates your entire world" sounds better than "you build the world", and the second one is what people who finish games end up wanting.
More on this: Can AI make a 3D game?
Axis five: what the paid tier unlocks
Some tools meter how much of the same thing you get. Others hold whole capabilities behind the paywall. Either can be honest; what decides it is whether the free tier lets you judge the real product, and whether you can try the paid parts before committing.
Watch for the version where the free tier is a demo of a smaller engine. You cannot learn anything about the real product from it, and by the time you find that out you have spent a fortnight.
Where Flockbay sits on all five
Runs natively, on Windows, on a bundled copy of Godot. You hold a normal Godot project in a folder. Code is written by Flockbay as real GDScript, with no behaviour list anywhere in the product. The world is built by you, by hand, deliberately.
Which world is the first thing the app asks: 2D or 3D, shown as two pictures, with no default and nothing created until you pick. Neither is a mode of the other and neither is the cut-down one, so every position above holds either way — the same project in the same folder, the same native runtime, the same written GDScript, the same world laid out by you. A flat project trades terrain, water and weather for ground you drag into place and sprites you position by hand.
The platform is free: the whole builder, your own art, play and playtesting. Flockbay is free on your own AI: your Claude or ChatGPT plan, your own agent, or an API key. Flockbay builds from a library of ready-made objects, or with Godot's own shapes. No team or enterprise tier. Driving the app with your own agent over MCP is free too.
The honest costs of that position: it is a download rather than a tab, building needs an internet connection, there is no phone or Chromebook version, and reaching something playable takes an evening rather than ninety seconds.
More on this: Six questions to ask any AI game maker
Nine AI game makers, side by side
Read from each tool’s own website on 25 September 2026. Where a site does not say, the table says “Not stated”. The pages each row was read from are listed on the row.
| Tool | What you end up with | 2D or 3D | Where it runs | Free tier | Code you can open | Steam or desktop export | Paid plans from | Read from |
|---|---|---|---|---|---|---|---|---|
| Flockbay | A Godot project on your own computer | 2D and 3D | Desktop app for Windows today. The Mac release is later | Free on your own AI: your Claude or ChatGPT plan, your own agent, or an API key. 1 GB of cloud storage, and projects are private | Yes. The AI writes GDScript into your project | Yes, publish to Steam from the app | $20 a month (Indie) | Homepage · Pricing · Requirements |
| Summer Engine | A game project you own: “You own the code and assets you create” | 2D and 3D | Desktop app for macOS and Windows; browser play “coming soon” | The desktop app is free; hosted Summer AI and “Private projects and assets” start at Pro | Yes | Yes: “Export to Steam, desktop, and mobile” | $20 a month (Pro) | Homepage · Pricing |
| Rosebud AI | A browser game you can share with a link | 2D and 3D, built on Three.js | In the browser | Free to start; commercial rights come with paid plans | Yes, editable JavaScript; downloadable on Pro and up | Not stated | $15 a month (Indie Dev) | Pricing · 3D game maker |
| Replit | A playable game, launched and shareable | 2D stated (“2D platformers”); 3D not stated | In the browser, “No installation required” | Get started free; limits not stated on the game page | Not stated on the game page | Not stated | $20 a month (Core), $18 billed annually | AI game builder · Pricing |
| Astrocade | A game published on Astrocade, which others can play and remix | Not stated | In the browser, no downloads | Free to create and play | Not stated | Not stated; games go out through Astrocade’s own distribution | Not stated | Homepage · Creators |
| Ludo.ai | Game assets and concepts: sprites, 3D models, sound, video | 2D sprites and 3D models | Web app, with an API, MCP and a Unity plugin | Free trial; limits not stated | Not applicable: it makes assets, not the game | Not applicable | $15 a month billed annually (Indie) | Pricing |
| GDevelop | A game built with no-code events, with an AI assistant | 2D and 3D | Works “from any device”: web app and mobile apps | Free and open source (MIT); 40 AI credits a month | The engine is open source; game logic is events, not code | Yes: desktop, web and mobile; Steam on subscription plans | Not stated on the pricing page | Homepage · Pricing |
| Ziva | An AI agent inside your own Godot project | Whatever Godot makes: 2D and 3D | Inside the Godot editor, on Windows, macOS and Linux | Hobby: $3 of AI usage a month | Yes, you review what it changes | Through Godot; Ziva does not state its own | Not stated on the page read | Docs · Plans |
| Cursor with Godot | Whatever you write, in your own Godot project | Godot does both: “Develop your 2D & 3D games” | A desktop code editor beside Godot | Cursor Hobby is free, with limited Agent requests; Godot is free | Yes: you are the one reading and writing it | Godot exports to desktop, mobile and the web | $20 a month (Cursor Individual) | Cursor pricing · Godot |
Most of these beat Flockbay at something
Rosebud is the better pick when you want a link to send someone in ten minutes. The game lives in a browser tab, and for a joke, a jam or a first try that is exactly right.
Astrocade and Replit are the better pick when the game is the start of a conversation rather than a project: make it, publish it inside their service, see who plays. Neither asks you to install anything.
Ludo.ai is the better pick when you already have a game and want art for it. It makes sprites, models and sound, not the game around them.
GDevelop is the better pick when you want an open-source tool and are happy to build logic from events yourself. Cursor with Godot, and Ziva inside Godot, are the better pick for someone who reads code, because nothing is hidden from you.
Summer Engine is the better pick when you want a Godot-style editor with an AI in it and are ready to review what the AI changed. Flockbay is for the person who wants the AI to write all the code and build the world by hand in simple controls instead.
Questions
- Why not a feature comparison table?
- Because every tool lists the same features and the differences are structural. Two tools that both say "AI writes your game" can be entirely different products.
- Which axis matters most?
- Where the game runs. It sets the ceiling on everything else and is the hardest thing for a tool to change.
- Are browser tools worse?
- No, they are different. For speed, sharing and low friction they are better and it is not close — a link beats a download every time. What the tab costs you is axis one and axis two: it caps what a 3D scene can hold, and whatever you build in it, flat or not, what you hold at the end is usually a document inside the service rather than a project you own.
- Can I move a project between tools?
- Rarely, unless the output is a standard engine format. That is what axis two is measuring.
- What does Flockbay not do?
- No browser version, no phone or Chromebook, no offline building, and no AI laying out your world.
Related
- Best AI game maker 2026
- Free vs paid AI game makers
- AI game maker like Rosebud
- AI game maker like Roblox
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