AI World Builder for Unreal Engine

Ship games at thought speed.

Realm Designer is an elite AI engineer embedded inside Unreal Engine 5. Describe a system in plain English — Blueprints, GAS, AI, UMG, materials, packaging — and Realm Designer writes the production-grade Python that builds it. Wrong on first try? It reads its own traceback and fixes itself, up to three times, without you lifting a finger.

3×: Self-healing retries
5.0–5.8: UE versions
All: Ship platforms

Capabilities

Everything an Unreal engineer ships, automated.

Blueprints, end-to-end

Actors, Characters, Components, GameMode, Abilities, AnimBPs — generated, compiled, saved.

Game systems

Inventory, combat, GAS, Behavior Trees, EQS, StateTree, save/load, object pooling.

UMG & Materials

Widgets with CommonUI structure, Material Instances with parameter wiring.

Packaging & shipping

UAT BuildCookRun for Steam, EGS, PS5, Xbox Series, Switch, iOS, Android. CI for Jenkins/GitHub Actions/TeamCity.

UE5 Plugin

One drop in `Plugins/`. You're live.

A signed C++ editor plugin with Python runtime. Adds a Realm Designer button to the Tools menu and Play toolbar. Streams responses from this gateway, executes inside ScopedEditorTransaction, and self-heals on failure.

MyProject/
└── Plugins/
    └── RealmDesigner/
        ├── RealmDesigner.uplugin
        ├── Source/RealmDesigner/...
        └── Content/Python/realm_chat.py

> Tools ▸ Open Realm Designer
> describe what to build
> ✓ Blueprint compiled & saved

Chat is private to signed-in members

Realm Designer's AI co-pilot lives inside your dashboard. Sign in to start a session, attach a reference image, and stream production-grade Unreal Engine scripts.