Roblox will launch a feature called Build on July 28, 2026. Build uses artificial intelligence to turn a text description into a working, basic game inside the Roblox mobile app. The first users will be in New Zealand, aged nine and older, who have completed age verification (The Verge).

You type what you want, and the system creates the gameplay, the environment, the characters, the visual style, and the sound. According to Roblox's newsroom, all of that is handled by AI. A combination of Roblox's own AI and open source AI models powers the feature (The Verge).

A basic version of Build will be free. There will also be paid options for more advanced users, though the details are not yet available. Roblox spokesperson Juliet Chaitin-Lefcourt said the company will share more on pricing and which countries get the feature next in the coming months (The Verge).

Games made with Build will be playable worldwide by users 16 and older. Roblox said these games will be ranked the same way as any other game on the platform: by how long players keep coming back. If a Build game does not hold players' attention, it will not get shown to many people (The Verge).

Roblox is also building AI assistants that can playtest a game, look at player data, and run experiments to improve engagement and retention. These will be available in both Build and Roblox Studio, the company's existing game-building tool, over the coming months (The Verge).

Build builds on work Roblox has been doing all year. In February, the company launched AI that creates working 3D objects from text prompts (Reuters). A Roblox podcast episode from around March 16, 2026, featured CEO David Baszucki and two colleagues describing a new kind of AI model that produces interactive, functional objects and worlds from prompts, not just images (Roblox Newsroom). The newsroom headline for the Build announcement reads "Build Without Limits on Roblox."

That difference is important. AI models that generate video produce images you can watch. A model that produces objects you can interact with, characters that move on their own, and sound is doing something different. Build takes what used to require a computer, the Roblox Studio software, and knowledge of programming in a language called Lua, and shrinks it down to typing a prompt on a phone. What we do not yet know is how much creative control and depth survives that change.

The more important detail, in my view, is how Roblox plans to handle the flood of content this could create. Any platform that makes it as easy to create a game as it is to write a sentence risks being overwhelmed with low-effort, AI-generated content. Roblox's answer is to rank Build games by the same standard as handmade ones: if players do not stick around, the game does not get promoted. Whether that approach works at a large scale is an open question, but it at least pushes creators toward making games people actually want to play.

The AI assistants Roblox is developing point toward a future where making a game becomes more and more automated: the AI creates the game, tests it, measures how players respond, and improves it, all within Roblox's own tools. If Build handles the creating and the assistants handle the improving, the person making the game is mostly choosing what to make and deciding what is good.

Roblox is effectively becoming the first major platform where AI-made games are not just demos but sit alongside human-made games in the same system, judged by the same standards. The careful rollout suggests the company knows it needs to make sure its ranking and moderation systems can handle a lot of new content.

For people who already make games with Roblox Studio, Build does not replace that tool. It runs alongside it, and the AI assistants will work in both. The practical question for existing creators is whether Build-made games will compete for the same players or create a new kind of quick, prompt-based game that does not really exist on the platform yet.

The alpha on July 28 will begin to answer that.