Cases built with Unreal

The host gave Opus 5.5 a few basic photos of the property, a 2D floor plan and Pinterest reference images. Opus 5.5 built a 3D world with Blender (a 3D creation program) and Unreal Engine 5 (a game engine). The screen shows a balcony with a sea view and WASD key controls.

From photos, a floor plan and reference images, one property became a 3D space that you can walk through.

San Francisco was recreated inside the game engine Unreal Engine. People, pets, cars and traffic all move.

It is not a still landscape but a living city simulation.

These are games made with a pre-release copy of Opus 5.5 and Unreal Engine. The first is a Dark Souls-style action game.

Its reach extends to full-scale action games built in a major game engine.

The author used Opus 5.5 to build a huge world from scratch inside the game engine Unreal Engine. A scene in the video shows a sunlit forest path and a figure walking between red flags.

The author showed that one model can now build a 3D world at a scale that was not possible last year.

The author is making a realistic space game in Unreal Engine, inspired by Outer Wilds, where the player explores fictional planets. Opus 5.5 wrote the C++ code, the shaders (programs that draw the texture and light of the screen) and the tools that generate the planets. The author set the direction, tested the game on a Windows PC and reported what felt wrong.

The game is still at an early stage. The human handled direction and testing and the model wrote the code. The planet exploration game is far enough along to share as a Windows installer and source code.

Opus 5.5 uses Blender MCP to put a skeleton in a first-person hand and an MP5 submachine gun. Blender MCP is a connection method that lets Claude operate the 3D program Blender directly. Opus 5.5 sets the pose of the hand and the gun. Opus 5.5 makes them move. The author wrote that this result can be imported into game engines such as Unity and Unreal.

This shows one model can replace the first-person weapon and hand animation work the author always paid someone to do.