Epic Games says Unreal Engine 6 (UE6) is being designed to support interoperability across games, including letting developers use Fortnite cosmetics in other UE6 titles. Epic has discussed a long-running “metaverse” vision, but it frames UE6 as a concrete step toward that goal by building modular, cross-game systems that developers can use over time. In a State of Unreal presentation, Epic’s leaders said UE6 will allow developers to make games that can use Fortnite skins, and could also enable creators to build their own skins intended to work in Fortnite. Epic characterizes this approach as part of a broader effort to move beyond Fortnite as a closed environment, aiming for an ecosystem where smart assets can function across multiple games. Epic development lead Marcus Wassmer described the initiative as proving that mature, complex systems can operate at scale and benefit participating games. Epic also indicates the timeline will be gradual: an early-access release of UE6 is planned for late 2027, with a full version expected one or two years after that. The feature set is therefore not yet available, and implementation will depend on developer support as UE6 rolls out.