GameBet Coin (GBT) started in 2016 and finished in 2016, with a total supply of 22.2 million coins. The team/founder is hidden, The main reason this coin was listed is desertion.

(from old site) We are a team of developers and business developers looking to disrupt the gaming industry through means of integrating crypto-currencies into the heart of how value is transferred online. We believe gaming is the next frontier for crypto-currencies going mainstream and by streaming-lining our focus on the same, we could have the best of both worlds. Our team is globally dispersed and brings a combined 20 years of gaming and 10 years of expertise in crypto-currencies. We have successfully built and developed gaming communities that are 150,000 strong and counting in the past. Our team has also been involved with a number of high-end crypto-currency exchanges and possess expertise in creating magic on the blockchain.