Microtransactions refer to small digital purchases made within a game or app. These can include buying virtual items, cosmetic enhancements, or unlocking additional features for a small amount of real money.
GTA Online thrives on Shark Cards, which see players paying real cash for in - game currency, and their recently released NBA 2K18 has an overwhelming number of microtransactions of its own. (rdr2.com)
I played a few rounds and it was kind of fun but there's a part of me that just believes that Expedition mode largely serves as a way to shovel in microtransactions in a game that otherwise doesn't feature any direct player vs player modes. (igcritic.com)