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Roblox Turns Assistant Into Agentic Co-Developer for Planning, Building and Testing Games

The shift positions Roblox Studio as an AI-first creator toolset.

Overview

  • Roblox, which unveiled the upgrade Thursday, activated Planning Mode in Studio and opened a playtesting agent in beta as shares edged higher.
  • The new Planning Mode turns the Assistant into a partner that reads a project's code and data model, asks clarifying questions, and converts prompts into an editable action plan.
  • Roblox introduced Mesh Generation for instant, textured 3D objects and said Procedural Model Generation is coming soon to create editable, parametric assets.
  • The playtesting agent can run automated QA by simulating player inputs, reading logs, capturing screenshots, spotting bugs, and sending fixes back into the build loop.
  • Roblox says next steps include multi-agent workflows that run long jobs in the cloud and support for outside AI tools such as Claude, Cursor and Codex.