Gurlugons appear in Variety missions where Solid Snake or Raiden have to sneak to the end of a stage without being seen. In these scenarios, the Soliton Radar is disabled, forcing the player to sneak past them by using their head position as a point of reference to their field of vision. At the end of Raiden's Survival mission, he has to do battle with a Gurlugon by destroying it piece by piece. Alternatively, Raiden can use two items to end the battle quickly: