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∞ GameDev Core

Ultimate Engine Co-Pilot Documentation

Ultimate Engine Co-Pilot

The most comprehensive AI copilot ever built for Unreal Engine 5. Featured on FAB by Epic Games. One-time purchase — no subscriptions. Bring your own AI keys or run a local model, with a small built-in starter tier to get going. Just install and start building.

Need help getting started? Join our Discord community for support, feature requests, and to chat with other developers.

Pick a starting point

New to the plugin?

Start with these in order:

DocWhat it covers
Getting StartedInstall, activate your license, run your first AI prompt — about 10 minutes from purchase to first Blueprint
AI ProvidersBring your own key, run local, or a CLI agent — plus a built-in starter tier
Starter TierThe small built-in allowance to try with no setup
Blueprint ArchitectThe main AI chat — modes, mentions, attachments

Day-to-day features

DocWhat it covers
AI AgentsRun 35+ CLI agents (Claude Code, Codex, Copilot, Gemini, Cursor, Cline…) inside the editor
Project ScannerIndex your whole project so the AI can answer questions about anything in it
AI Asset GenerationGenerate textures, PBR materials, 3D models, and sounds from text descriptions
Tool CategoriesReference of all 56 categories the AI can call
AI MemoryPersistent cross-session memory of your project
GDD ManagerFeed your design doc to the AI so it understands your project
Voice IntegrationTalk to the AI, hear it reply — hands-free dev

Power-user setup

DocWhat it covers
Local LLM SetupRun AI fully offline with Ollama, LM Studio, or any OpenAI-compatible server
MCP IntegrationConnect Claude Desktop, Cursor, Cline and more to your editor
ExtensionsEnable, install, or create your own tool extensions for the AI’s catalogue
SettingsEvery setting explained

Reference

DocWhat it covers
Learning TabBuilt-in courses, XP, achievements
Supported Languages20 UI languages, prompt in any of them
FAQPricing, privacy, engine versions, and the most-asked questions
ChangelogVersion history

What you get

  • 1,450+ native tools across 56 categories covering ~95% of UE5
  • Bring your own AI — your key, a local model, or a built-in starter tier
  • 35+ CLI agents (Claude Code, Codex, Copilot, Gemini CLI, Cursor, Cline, and more) run directly inside the editor — pulled live from the Zed ACP registry
  • Asset generation — textures, PBR materials, 3D models, and sounds from text
  • 20 languages supported in the UI; prompt the AI in any of them
  • Full C++ source code included
  • One-time purchase — lifetime updates, no subscriptions

Support

Live