Board Thread:Plants vs. Zombies: Garden Warfare 1 & 2/@comment-27053902-20170521221643/@comment-24843074-20170601163015

Also since no one said it:

Community Challenge is the 4 elemental variants: Fire, Ice, Electric, and Toxic.

So far we have like 2 million all ready so I'd say we may be able to get the 40 million. (it's only a "special" item).