– Universe
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  + Galactic supercluster
  – Galactic supercluster
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   + Galaxy
   – Galaxy
    + Arm
    + Arm
    – Galactic center
     + Black hole
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Star system
     + Nebula
     + Nebula
     + Nebula
     + Nebula
     – Nebula
      + A blueish interstellar cloud
      + A bright pink interstellar cloud
      + A silvery interstellar cloud
      – A multicolored interstellar cloud
       + Hydrogen
       + Carbon
       + Nitrogen
       + Oxygen
       – Helium
        + Proton
        + Electron
        – Neutron
         + Down quark
         + Down quark
         – Up quark
          – Qwubble
           + Otherverse
           + Tastyverse
           + Miniverse
           + Layerverse
           + Esreverse
           – Digitalverse
            + Intranet
            + Multinet
            – Internet
             + Google
             + 9GAG
             + Facebook
             + Twitter
             + 4chan
             – Blogs
              + Video Game Tourism
              + 99 Leben
              + Polyneux
              + Zockwork Orange
              – Superlevel
               + Ludum Dare 27
               + The Lost Levels
               + Sexismus-Debatte
               – Reviews
                + Card Hunter
                + Shelter
                + Amnesia: A Machine for Pigs
                + Papers, Please
                – Nested: A Simulation of Everything
                 + Body
                 – Thoughts
                  – “This smells dangerous. I am being reviewed.”