In video games, an open world is a game mechanic of using a virtual world that the player can explore and approach objectives freely.

Open world may also refer to:

• Open world assumption, a knowledge representation assumption in formal logic
• Open World Entertainment, a South Korean independent record label and talent management company
• Open World Forum, an annual event on open source innovation in Paris, France
• Open World Program, ten-day program which brings emerging leaders from Eurasia to the United States to engage with professional counterparts (administered by the Open World Leadership Center)
• Open World Press, a US publisher of role-playing games
• Open World, the working title of the 2019 superhero film Captain Marvel

This disambiguation page lists articles associated with the title Open world.
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