Roblox to launch Build AI game creator on mobile July 28

Roblox will launch a new mobile AI tool called Build on July 28, enabling users to create basic games from simple text prompts directly within its iPhone and iPad app. The company announced the feature on July 16, 2026, marking the first time game creation will be available on mobile devices for its platform of 132 million daily active users.

A public alpha test will begin in New Zealand for verified users aged nine and older. The basic version of Build will be free, with paid options for advanced users. Roblox plans to expand access to other regions in the coming months.

The tool is designed to lower the barrier to game development, allowing anyone to articulate an idea in text and have AI generate a playable starting point. For example, a prompt like "Let's make a cozy adventure game set in a dense forest" would produce an initial version complete with game mechanics, environments, characters, visual style, and sound effects. Users can then refine, test, and share their creations, or publish them to the Roblox platform, all without leaving the mobile app.

Build is powered by a combination of open-source AI models and proprietary Roblox technologies. These include the Cube...