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Fan-developed modifications of video games have been made since the 1980s, 1 usually by fans seeking to enhance or replace visual elements of, add gameplay features or characters to, or fix bugs or errors in a game.
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While many software providers choose to vigorously defend their intellectual property rights in the software they create, in the gaming industry, some developers of PC video games have taken a different approach by allowing or even encouraging fans of their games to modify (or mod) them.
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