If you build Unreal Engine games with Claude Code, install Epic's official Unreal Engine plugin first. It 𝗮𝗱𝗱𝘀 𝗻𝗼𝗱𝗲𝘀, 𝘄𝗶𝗿𝗲𝘀 𝘁𝗵𝗲𝗺 𝘂𝗽 𝗮𝗻𝗱 𝗰𝗼𝗺𝗽𝗶𝗹𝗲𝘀 𝗕𝗹𝘂𝗲𝗽𝗿𝗶𝗻𝘁𝘀 𝗼𝗻 𝗶𝘁𝘀 𝗼𝘄𝗻, right inside your open editor.
It can use 𝗵𝘂𝗻𝗱𝗿𝗲𝗱𝘀 𝗼𝗳 𝗲𝗱𝗶𝘁𝗼𝗿 𝘁𝗼𝗼𝗹𝘀 across 30+ toolsets. It edits levels, materials and Niagara effects, and handles Sequencer cameras and automation tests too. The first time, it walks you through turning on two plugins, Unreal MCP (still marked experimental in the 5.8 docs) and All Toolsets, and getting the connection set up.
/plugin install unreal-engine-skills-for-claude-code@claude-plugins-official
If you build games with Codex, install OpenAI's official Game Studio plugin first. Once your game is done, it opens a browser and 𝗽𝗹𝗮𝘆𝘀 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗶𝘁 𝗼𝗻 𝗶𝘁𝘀 𝗼𝘄𝗻 𝘁𝗼 𝗳𝗶𝗻𝗱 𝗯𝘂𝗴𝘀.
It comes with 𝟵 𝘀𝗸𝗶𝗹𝗹𝘀. It builds 2D and 3D browser games, and handles character animation, 3D models, menus and health bars too.
codex plugin add game-studio@openai-curated-remote