Best AI tools for game code
An agent is only as useful as the project it can see. Unity AI is for Unity. The editors are for whatever repo you open. Rosebud is for a playable sketch, not for a production port.
01
Unity AI
Unity's assistant, CLI, and plugins for working inside a Unity project.
Why it is on this list. First-party Unity tools: assistant, CLI, and plugins. The in-editor assistant uses credits.
02
Cursor
An AI code editor that reads a repo, edits files, and runs commands.
Why it is on this list. An editor with an agent in the repo, and a free Hobby plan.
03
GitHub Copilot
An AI pair programmer in the editor, for gameplay code, tools, and shaders.
Why it is on this list. Inline and agent help in the editor and on GitHub, with a free tier.
04
Devin
Cognition's AI software engineer, a coding agent that works on a repository.
Why it is on this list. A coding agent for a repository. General software engineering, not an engine plugin.
05
Claude
Anthropic's assistant for code, design notes, and dialogue drafts. Free tier and paid plans.
Why it is on this list. Strong for reading code, design notes, and dialogue drafts beside the editor.
06
GDevelop
Free, open-source game engine with AI assistance for learning and building.
Why it is on this list. A free engine when you want to build the game in the same tool, with AI help for learning it.
07
Rosebud AI
Builds a playable browser game from a text description or a template.
Why it is on this list. A playable browser prototype from a prompt.