While this may be considered a somewhat legacy workflow, it's still supported by Epic Games and remains highly effective. In his new video, Reza Sarkamari, who spoke to us about his educational work a few years ago, demonstrates several methods for creating sublevels, explains their key properties, and highlights why they're invaluable for organizing scenes and managing large-scale projects. As a bonus, he also shows how to integrate sublevels with the Level Sequencer to optimize your cinematic workflows.
We recommend exploring his Chaos Destruction tutorial series, along with other videos in the Unreal Engine 5 tutorial series for more in-depth learning: