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" ... Huynh reminds us, once again, that game based learning is not so much about changing what we learn. After all, Euclid’s elements is 23 Centuries old. However, with the exception of one-on-one tutoring, we’ve never been able to provide learners with as much instant feedback as video games can. Plus, by playing the game, learners understand how cummulative mastery results in leveling-up--an understanding that’s not only motivating, but also empowering. ... "