Animation and land on map

I want to create something like this map : Enter the Otherside

1- An animation shows at the beginning of the map, how is this made ?
2- Do you have an source example of a map similar to this, which has the ability to click on the fields?

Hi @JANGOZ and welcome,

That may be a point cloud simulation, similar to this: PlayCanvas Examples

Check the examples here on how to pick entities/models from your scene. That way you can create an arrangement of models (=lands) and select them like this: