The galaxy is far older than anyone can remember. In a galaxy filled with thousands upon thousands of cultures and races, it is no wonder that many of the them have exsited and vanished over the eons of time. Thru the course of cosmic history, many such civilizations have become lost within the annuals of memory. Through the Federation's best efforts, massve archeological pushes have been made to help decipher the ancient secrets of the past. The following are ancient as well as modern surviving civilizations related or indirectly related to the METROID incident.