User blog comment:Ehsan123/Pro & Contra about FREE UPDATE/@comment-26002553-20150403172056/@comment-5522921-20150404060431

I like the system. But, it lacks of maps and since most of the time humans tend to win because of the re-usable Concetrated Fire, zombies hardly try specially against Balrog-XI lol. Spin Diver should be free since it's the best one to deal with them.