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Christopher Cinq-Mars Jarvis
A 501(c)3 non-profit devoted to education through technology, specializing in innovative and thoughtful games that inspire critical thinking
The Devil's Calculator: A Math
Christopher Cinq-Mars Jarvis
In-app purchases
An Educational Indie Math Puzzler for Lovers of Logic and Brain Teasers
4.5
star
689 reviews
10K+
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Everyone
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An Educational Indie Math Puzzler for Lovers of Logic and Brain Teasers
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