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Building a full MMORPG from scratch in Unreal Engine 5.8, live - powered by Claude Code (Opus 5), ChatGPT 5.6 and UnrealAI, my own MCP tool with 9,000+ tools for Unreal Engine. The game: Kingdom of Sarethia. (I know its like impossible mission, thats why its just a side hobby to see where we going with it.. nothing more.) Discord group of the game: https://discord.gg/CnugFqeF9 Hey everyone, welcome! I decided to start building a new PC MMORPG in Unreal Engine 5.8, and I'm streaming the whole journey so you can watch every system come alive. == ABOUT ME == Game developer for over 6 years - C++, multiplayer, gameplay and design (pretty much everything) - and I've been working with AI for years. == WHY THIS IS DIFFERENT: UNREALAI (MCP) == After I built UnrealAI, an MCP server with over 9,000 tools for Unreal Engine (not released to the public yet), I started to see how fast Claude can do work that used to take me forever. One or two years ago we couldn't really use Claude inside Unreal - everything was manual: copy-pasting from the ChatGPT web app, fighting bugs for hours. Not anymore. Today I develop much faster thanks to my own experience plus a team of AI agents: - Claude Code (Opus 5) - the main development agent - Hermes CLI (ChatGPT 5.6) - a second agent working in parallel - Obsidian - the shared brain for the agents and the project, where they talk to each other and stay in perfect sync, each one on a different task With this setup we can convert a full Blueprint project into C++ in 2-3 days. While my agents work on my main project (I'll share that one later), I asked myself: why not put more agents on my dream game as a hobby project and share the entire process with you? You'll see everything - how systems come alive, how multiplayer is built, character systems, main menu design and implementation, and all the rest. == WHAT YOU'LL SEE ON STREAM == - MMORPG systems built live in Unreal Engine 5.8 - Multiplayer and replication architecture - Blueprint to C++ conversion with AI - Character, combat and UI systems - Real AI-assisted game development workflow (Claude Code + MCP), including the mistakes and the fixes == THE DREAM == I grew up on Silkroad Online, 2Moons and Lineage - the old school MMOs. Honestly, until today I haven't found an MMORPG that comes even close to them. The only one that gave me that same enjoyment and old-school feeling was Ashes of Creation, and we all know how that ended. It's sad to see something so good thrown away - they played with money and weren't honest with us. My dream is to try to build that game again, with touches of Silkroad Online and all the good elements we remember. One thing I can promise you: if this succeeds, I will never steal, lie, or manage it badly like other companies did. == ASSETS == For the start of the project I'll use assets I bought from designers, Fab.com and more. Later on, if everything goes well, we'll create amazing custom 3D models and explore more unique ways of working with AI. Let's see where this journey takes us. I hope you enjoy these live streams - I really think you can learn a lot from watching this process. Drop your questions in the chat any time, and subscribe if you want to follow the development. == TECH STACK == Game: Kingdom of Sarethia Engine: Unreal Engine 5.8 Main AI agent: Claude Code - Opus 5 Second agent: Hermes CLI - ChatGPT 5.6 Sol Custom tooling: UnrealAI (MCP, 9,000+ tools) Agent knowledge base: Obsidian Language: C++ and Blueprints #UnrealEngine5 #MMORPG #GameDev #ClaudeCode #MCP #AIGameDev #UE5 #IndieGameDev #UnrealEngine #Cpp Key Highlights & Overview: Learning <strong>Mastercroff Developer</strong> is essential for modern technical workflows and software skills. Follow along with top-rated video tutorials from industry experts today on <strong>TutorTube</strong>.