Metal Gear Solid Existence

Metal Gear Solid Existence was a title trademarked by Konami on September 19, 2008, leading to rumors of the next Metal Gear Solid game. It is unknown whether it is a new game or a special edition of MGS4 with additional features, similar to Substance or Subsistence.

As of 18th May, 2009, the true meaning behind the trademark has not been acknowledged by Konami or Kojima Productions.