One of the biggest MMOs to be released in the gaming industry, Star Citizen is an advanced/futuristic themed game. Ranging from multiple planets to even galaxies, you have pretty much control over everything here. In the Unendingly Massive World of Star Citizen if you want to purchase something you need to have the in-game currency. Star Citizen has an official currency of UEC, also referred to as the United Earth Credits that are used to buy items, weapons, equipment, shields, and so on.