The arrival of the Cesium for Unreal plug-in is fairly recent. It was announced last March and became officially available in April 2021, but the ability to work with large geospatial models in the Unreal game engine is a snowball rolling downhill. The alliance between Cesium and Unreal means that the Unreal Engine supports the open format 3D Tiles pioneered by Cesium, which opens up new possibilities for companies bringing their data into Unreal to create compelling visualizations.