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Downloadable content (commonly referred to as DLC) is a form of digital media distributed through the Internet. The phrase is used to refer specifically to content created for video games that is released separately from the main video game release.
A patch is a piece of software designed to fix problems with, or update a computer program or its supporting data. This includes fixing security vulnerabilities and other bugs, and improving the usability or performance. Though meant to fix problems, poorly designed patches can sometimes introduce new problems.
- Main article: list of DLC
This form of DLC is an optional process that adds new content to the game. This could be in the form of additional multiplay maps; new game modes or even extra campaign missions.