Steem Dollars are liquid stable-value currency tokens designed to be pegged to $1 USD. Steem Dollars can be traded with STEEM and transferred to other accounts for commerce or exchange.
GameCredits is a digital currency that is created to support games and their developers. The crowdfunding platform Game4commit makes it possible for developers to raise money for their game projects. In the future, it might also be possible to offer GameCredits as a reward for gamers in the game. This creates a whole new economy for mobile and online gaming. GameCredits is a rebrand of Gamerscoin.