Over the last few years, KamaGames have had more and more players asking if they were able to buy chips with cryptocurrencies, so the company decided to run KGT token sale. Btw presale is over in 35 hours. It will not be possible to get 20% bonus after Oct 07, 2018.
Indeed, this is a great opportunity fro Kamagames say 'thanks' to its players. Also, this is the way how KamaGames shows its passion for embracing new technologies (blockchain in that case).