ACHIEVEMENT - HOW TO UNLOCK Spinning Plates (25 points) - Have every territory saved at the same time during the Undead Nightmare. Zed's Dead, Baby (40 points) - Attain 100% Game Completion statistic in Undead Nightmare. Mad Marston - The Trail Warrior (10 points) - Attain Rank 5 in all Undead Nightmare Challenges. Smoke that Skinwagon (10 points) - Make it to wave 15 in Undead Overrun Gametype in Multiplayer. Kingpin (10 points) - Fight off 8 unique players during your time on top during Land Grab in Multiplayer Free Roam.