Modern arcade machines handle player profiles and saved game states through several sophisticated methods, enabling continuous progression across gaming sessions. Unlike classic arcades, many contemporary cabinets incorporate storage solutions to retain player data.

A prevalent method is the use of magnetic stripe cards or dedicated memory cards. Players swipe or insert their personal card at the start of a session. The arcade machine then reads the unique identifier from the card and retrieves the corresponding player profile—including stats, unlocked characters, and high scores—from the cabinet's internal storage or a central server. Progress made during the session is written back to the card and the storage system.

Another growing trend is online network integration. Systems like Bandai Namco's "Banapassport" or Sega's "Aime" connect cabinets to the internet. Players use a single RFID card or pass across multiple games and locations. Their profile is stored securely on a remote server, allowing for seamless access and progression from any linked machine. This also enables global leaderboards and special online events.

For simpler data, like local high score tables, arcade machines use non-volatile RAM (NVRAM) or battery-backed RAM. A small battery on the PCB powers the memory chip even when the cabinet is unplugged, preserving this data. However, if the battery fails, the information is typically lost.

Ultimately, these systems transform the arcade experience from a transient encounter into a persistent journey, fostering player loyalty and a deeper connection to the game by saving their hard-earned achievements and progression.