Games for the PocketStation are stored on the same CD-ROM as certain PlayStation games. PocketStation games can enhance PlayStation games with added features. For example, using the PocketStation. a player may be able to 'level up' characters in one's favorite PlayStation game while riding the bus to work. A player can also download stand-alone PocketStation games. It allows a player to swap game data between PlayStation units and also allows multi-player gaming via the built-in infrared data link.