An expansion pack is an addition to an existing game.

Expansion pack or Expansion Pak may refer to:

• Expansion Pak, a Nintendo 64 accessory that enhances many of the system's games, and is required for a few games
• Memory Expansion Pak, a Nintendo DS accessory that adds 8 MB of system memory, and is required for the web browser
• Expansion Pack, a Nintendo Switch Online subscription tier which grants access to additional game systems for the Nintendo Classics service

This disambiguation page lists articles associated with the title Expansion pack.
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