Unreal Engine 6: Epic Aims to Bring Fortnite Items to Other Games, and Vice Versa

Epic Games has officially outlined its vision for Unreal Engine 6, the next evolution of the graphics engine that aims to merge the traditional development capabilities of Unreal Engine 5 with the experience gained from Unreal Editor for Fortnite (UEFN). The goal is to create a unified development environment capable of supporting both traditional AAA productions and persistent live ecosystems, allowing developers to distribute their projects on conventional platforms, within Fortnite, or in proprietary infrastructures.

According to Marcus Wassmer, head of Unreal Engine development at Epic Games, UE6 represents a paradigm shift compared to previous generations of the engine. While Unreal Engine 4 expanded access to professional tools and Unreal Engine 5 redefined how virtual worlds are built through technologies like Nanite and Lumen, Unreal Engine 6 will primarily focus on the methods of publishing, managing, and scaling gaming experiences.

The project is based on three main directions. The first concerns the adoption of Verse as the new programming model for gameplay. The language, already used within UEFN, will become the foundation of Epic's future development framework. Verse is designed to handle large persistent worlds and introduces a transactional execution system that, according to the company, should simplify managing global state and concurrency between processes. Epic has also developed a mechanism that extends these properties to C++ code.

UE6 will also introduce a new framework called Scene Graph, built entirely around Verse. The goal is to provide a more modern structure for creating game logic and reusable components while promoting the sharing of elements across different projects.

One of the most ambitious aspects concerns the distributed management of virtual worlds. Epic is working on a system that will allow Verse's runtime to automatically distribute the load across multiple servers while maintaining the illusion, for the programmer, of operating on a single machine. In this scenario, objects and data could be dynamically moved between different nodes, while the system would handle synchronization and saving of the global state without the need to implement dedicated backend infrastructures. The company claims that early prototypes have already demonstrated the feasibility of this approach.

The second major initiative concerns the portability of content, code, and digital economies. Epic intends to push Unreal Engine beyond the traditional concept of extensibility by adopting open standards to promote interoperability between games, tools, and even different engines. Where possible, existing standards like glTF and USD will be used; in other cases, open specifications based on internally developed technologies will be made public.

The first test bed will be represented by Fortnite's cosmetic items. Epic plans to transform the outfit system into an open module of UE6, allowing developers to use elements purchased by users within Fortnite in their games and, conversely, create content compatible with the battle royale ecosystem. The idea is to lay the groundwork for a future shared economy of smart assets that can maintain value and functionality across different experiences.

The third strategic direction is related to artificial intelligence. Epic believes that language models and generative tools can significantly reduce the time spent on repetitive tasks such as level setup, character rigging, animation management, lighting setup, or creating particle effects. For this reason, UE6 will integrate an infrastructure based on the MCP (Model Context Protocol), compatible with platforms like Claude, Gemini, and other third-party models.

The company wants to allow developers to freely choose the AI tools to integrate into their workflows while maintaining creative control over the produced content. Meanwhile, the development of the Epic Developer Assistant will continue, serving as an out-of-the-box solution for those looking to leverage the assistance features offered by generative models.

Epic has also highlighted how the use of AI within its teams has already produced interesting results in areas such as automatic error analysis, test generation, crash cause analysis, indexing large codebases, and developing custom tools for programmers.

Despite the strong focus on new technologies, Epic assures that it will continue to improve the core aspects of the engine, including rendering, compilation times, collaborative workflows, and support for mobile platforms. The declared intention is also to ensure a gradual transition from existing UE5 projects.

Epic expects to release the Early Access version of Unreal Engine 6 by the end of 2027, while the final version should arrive 12 to 18 months later. In the meantime, the company has already opened a new public development branch on GitHub, allowing the community to transparently follow the project's evolution and the technologies that will form its foundations.