Gem

 is a consumable released on September 4th, 2012 as a reward for harvesting finished Floating Castle. It also can be obtained via wall post fed or as a friend reward for finishing some quests. It's used for filling up Gem Tower and it can be used for redeeming for special rewards.

Gem Tower Redeemable Exclusive Prizes:


 * Emerald Sheep-icon.png Emerald Sheep – 11 Gems
 * Gem Barn-icon.png Gem Barn – 22 Gems
 * Sapphire Fountain-icon.png Sapphire Fountain – 33 Gems
 * Ice Diamond Tree-icon.png Ice Diamond Tree – 45 Gems
 * Sapphire Unicorn-icon.png Sapphire Unicorn – 60 Gems
 * Amethyst Unicorn-icon.png Amethyst Unicorn – 75 Gems