Roblox's Build Turns Text Prompts Into Playable Mobile Games, Alpha Launches July 28

Roblox will launch Build, an AI feature that converts text prompts into functional mobile games, in public alpha on July 28, 2026. Initial access covers New Zealand users aged nine and older with verified ages. A base version will be free; paid power-user tiers are pending. Build runs on Roblox's own models and open source models.