First you need to create a your custom Game Mode 1. Go into Private Match and Change the Game Type to Search and Destroy. 2. Then go to Edit game Options and have theses settings; Time Limit: Unlimited Allow Killcam: Disabled Number of Lives: Unlimited Max Health: Minuscule Custom Killstreak: 1kill -- Dogs / 2kill Gunship 3. Now save your custom game mode into a free slot in your File Share.