Unreal Editor for Fortnite (UEFN) is a specialized version of Unreal Engine released in 2023 tailored for creating and editing user-generated content within Fortnite, an online video game developed by Epic Games. UEFN integrates the functionalities of Unreal Engine with aspects of Fortnite, allowing for a more comprehensive experience than its predecessor Fortnite Creative. On March 20, 2024, Lego assets and Metahuman support were added. On July 23 of the same year, assets from Mediatonic's Fall Guys were added, with support for publishing islands using these said assets were added on August 6. On October 1 of the same year, assets from Teenage Mutant Ninja Turtles were added, with support for publishing islands using the same assets added on November 14. On March 1, 2025, assets from The Walking Dead Universe were added, with support for publishing islands using the same assets added on May 16. On October 2 of the same year, assets from K-Pop Demon Hunters were added, with support for publishing islands using the same assets added on the same day. On March 19, 2026, assets from Star Wars were added, with support for publishing islands using the same assets added on May 1.