User blog comment:GT3NB/THE RISE?! Black Ops 2 OFFICIAL DLC Information+Thoughts from Giddy N Hormones!/@comment-2098737-20121231153636/@comment-1263839-20130101120911

The only problem with the Maxis side is the unpredictability of the Electric Zombie and the Richtofen side is tedious because of the requirement of 4 EMP Grenades.