Roblox will soon let users create basic games with AI directly inside its mobile app through a new feature called Build. The mobile-first tool turns text prompts into playable game ideas while handling gameplay mechanics, environments, characters, visual style, sound, and other development tasks.
Roblox plans to launch Build in public alpha on July 28 for age-verified users aged nine and older in New Zealand. Games published through the tool will remain available globally to verified users aged 16 and older after passing the company’s safety checks.
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Roblox said Build uses its proprietary AI systems alongside open-source models, allowing creators to describe a game and receive a working starting point they can edit, test, share, or publish. Users can also move projects between Build and Roblox Studio because both tools share the same back end, models, and chat history.
Roblox says discovery will still reward quality
The easier creation process raises concerns that users could quickly publish large numbers of low-quality AI games. However, Roblox says Build-created experiences will enter the same discovery system as every other game on the platform.
“Our discovery systems are designed to highlight games with long-term retention, which doesn’t include AI slop. The quality of games on the homepage isn’t changing: If no one plays it, no one can find it,” Roblox said.
The company will offer a free base version of Build, while paid options for advanced users will arrive later. Roblox is also developing playtesting, analytics, and experiment agents that will help creators find bugs, study player behaviour, and improve engagement, retention, and monetisation across Build and Studio.
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