Gems

Gems are one of the two currencies along with Energy in the Every Build Exists shop. They can be used to buy things quicker in the energy shop. All of the items in the shop are obtainable with gems.

How to obtain
There are several ways to obtain Gems:
 * Logging in and receiving your daily reward.
 * Completing campaigns.
 * Winning contests.
 * Using a gem code.

Trivia
Many users make accounts for gem farming, by completing campaigns. Some users think it is cheating. However, you don't get banned for this.