Sledgehammer Games has added a new playlist to Call Of Duty: Advanced Warfare called 'One Shot' which will feature double XP from now until the 29th of December. As the title might suggest, he new One Shot mode is a sniper-only playlist, which features five preset classes. Each class features MORS sniper rifle with no secondary weapons, as well as decreased health. Each of the five classes were designed by Sledgehammer Games along with OpTic NaDeSHoT, to test the true sniper skill of Advanced Warfare in this new custom mode, according to the official Sledegehammer Blog. The MORS sniper rifle is a bolt-action railgun sniper, which will come with different perks, Scorestreaks, and Exo abilities in each class. Lets take a look at the five classes available for ONE SHOT: HARDSCOPE: Zoomed: 4X: ACE: IRONS: