You can purchase GAMECREDITS from these places
Go to Bittrex
Bittrex is one of the larger crypto to crypto exchanges offering a large number of trading pairs into bitcoin - including all the major cryptos such as darkcoin, nextcoin and litecoin
Go to Poloniex
Welcome to Poloniex. We are a US-based digital asset exchange offering maximum security and advanced trading features.
Go to YoBit
Buy and sell Bitcoin (BTC) on YoBit Exchange!
Go to Livecoin
Go to BitBay
BitBay is a working real-world, fully-functional decentralized marketplace that allows you to buy and sell goods and services easily, securely, and anonymously.