Gems is a game of chance. The goal is to combine 5 precious stones in any of the patterns that have possible payouts.
First, you need to select a risk level: you can choose between Low, Medium, and High.
Then place your bet. The winning gem combinations follow the same ranking as poker. The best possible combination is 5 equal gems.
Finally, click the play button.
If you want to know more about BitKong's house edge and RTP percentages, read this article.