There are 0 different types of Anomaly Class - Class 1 (easiest) to Class 10 (hardest). Class 1 = (Faction) Hideaway or Drone Cluster (easiest) Class 2 = (Faction) Burrow or Drone Collection Class 3 = (Faction) Refuge or Drone Assembly Class 4 = (Faction) Den or Drone Gathering Class 5 = (Faction) Yard or Drone Surveillance Class 6 = (Faction) Rally Point or Drone Menagerie Class 7 = (Faction) Port or Drone Herd Class 8 = (Faction) Hub or Drone Squad Class 9 = (Faction) Haven or Drone Patrol Class 10 = (Faction) Sanctum or Drone Horde (hardest)