Board Thread:Official Announcements/@comment-26393112-20191215175909

Don't worry, those who participiated in the previous way to get contributor will be rewarded by Christmas.

WHAT DO I DO THIS TIME?

Basically get the zombie buying cooldowns for zombies from the In-Game Store. All zombies except Elemental, Stalker and Swarmer are needed.

HOW DO I POST PROOF?

Post Video proof and I'll see how long it is (preferabbly at least HD, no 480px shit)

WHAT DO I GET? Wikia Contributor tag. 