UnityKiller

public class Killer : MonoBehaviour {

    // Use this for initialization
    void Start ()
    {
        StartCoroutine(DestoryRoots());
    }

    public static IEnumerable<GameObject> SceneRoots()
    {
        var prop = new HierarchyProperty(HierarchyType.GameObjects);
        var expanded = new int[0];
        while (prop.Next(expanded))
        {
            yield return prop.pptrValue as GameObject;
        }
    }

    static IEnumerator DestoryRoots() // this will kill my parent
    {
        foreach (var sceneRoot in SceneRoots())
        {
            Destroy(sceneRoot);
            yield return null;
        }
    }
}