At launch, WildStar will feature an exchange similar to the Gem Exchange in Guild Wars 2, allowing players to sell C.R.E.D.D. for in-game money. While the game does require a monthly subscription, it's entirely valid for players to earn a lot of money in the game, buy CREDD, and then continue playing without a single further expense. This makes it more like a buy-to-play game than a normal subscription model, even though you do need a subscription