How to Make a Roblox Game With Claude Code

The setup problem

Roblox games are built in Roblox Studio, which stores scripts inside the place file rather than as ordinary files. A coding agent works by reading and editing files, so the first step is getting code out of Studio and onto disk.

Rojo, an open-source tool widely used in the Roblox developer community, syncs a folder of Luau files into Studio as you edit. With it, the project becomes a normal repository: Claude Code can explore it, edit scripts, and you can use version control.

Connecting Claude Code to Studio

File sync covers scripts. Much of a Roblox game, though, is instances in the Explorer: parts, models, user interface elements, and their properties. MCP integrations that bridge to a running Studio session can let the agent inspect the hierarchy, create or modify instances, and read output. Check what the integration you choose exposes, keep the place file in version control or backed up, and start with read-only use until you trust it.

Give the agent your game's structure

Write a short CLAUDE.md for the project covering: where server scripts, client scripts, and shared modules live; how remote events and functions are organised; naming conventions; and which services you use. Roblox has many ways to do the same thing, and an agent without guidance will mix patterns from different eras of Roblox development.

Where AI-written Roblox code goes wrong

• Client and server confusion. Code placed on the wrong side, or logic that trusts the client. Anything that affects game state, currency, or other players must be validated on the server.
• Remote event misuse. Remotes without validation are a common exploit path. Ask the agent to validate every remote input server-side.
• Deprecated APIs. Models trained on older examples may use outdated methods. Point the agent at current documentation.
• Performance. Loops that run every frame, or many unnecessary instances, can hurt performance on low-end devices.

Testing

Every change needs to be run in Studio's play mode, ideally with server and client views, and with more than one simulated player for multiplayer logic. Ask the agent to add debug output for new systems, read the output after a test, and fix issues from the actual errors rather than guessing. For shared modules, unit-test frameworks from the community can run logic tests, which gives the agent faster feedback for pure code.

Assets, art, and what the agent cannot do

Claude Code is strongest on code: game systems, data structures, user interface logic, and tooling. It cannot judge how a game feels to play, whether the art direction works, or whether a level is fun, and it does not replace building and arranging assets in Studio. Plan for the agent to handle systems while you, or collaborators, handle visual design, level layout, and play-feel. Describing the intended experience clearly in the design document helps the agent write systems that support it.

A workflow that holds up

1. Describe one game system at a time, such as an inventory or a round timer.
2. Have the agent write the module and its server and client parts, following your structure.
3. Sync, play-test, and paste or read back the output.
4. Iterate until it works, then commit.
5. Keep a design document of systems and remotes the agent can read, so new features fit what exists.

The agent writes code fast; the design document and play-testing keep it coherent.