Thread: Percentages
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Old 03-27-2010, 11:53 PM
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etcampbe etcampbe is offline
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Join Date: Mar 2010
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Default Percentages

Sorry if this is a stupid question, I'm new. But, are the degree of difficulty puzzles random or how does it work? Sometimes 20% of the puzzles I do are difficult and sometimes it's 10%. Does one have to achieve some goal to get difficult puzzles?

Thank you in advance.
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