Description With this little file you can spawn several new entities into your Doom 3 world. Each entity is an allied to your team person who will gladly smack down on any Zombie or Demon who happens to be in the area with him. There are two of each class, one tWith this little file you can spawn several new entities into your Doom 3 world. Each entity is an allied to your team person who will gladly smack down on any Zombie or Demon who happens to be in the area with him.