Epic Games, the company behind Fortnite, has chosen to make an exception to its standard policies and allow designers utilizing the new Creative 2.0 tool, also known as the Unreal Editor for Fortnite (UEFN), to make recreations of old Fortnite maps.
This would typically be against Fortnite’s end user license agreement (EULA), which prohibits the creation and dissemination of any content based on the copyrighted works of others. That obviously covers the Fortnite intellectual property owned by Epic. However, Epic Games is making an exception for the original Fortnite Battle Royale Chapter 1 map.
“Having said that, we are as excited as you to relive the experiences we shared in the original Fortnite Battle Royale Chapter 1 map, and so we are granting a special and specific exception to allow creators to publish their own remakes of the Chapter 1 maps (and only the Chapter 1 maps). Like maps built using the ‘Battle Royale Island’ starter island, islands recreating Chapter 1 maps will remain ineligible for monetization.”
[Source]: Epic Games: Updating terms to enable publishing versions of Battle Royale Chapter 1 Islands – [Archive] – [Screenshot].