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Puzzles
It's a long way to the top
In how many ways can you make it up the stairs?
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Prime mystery
Making a very special number out of primes.
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Cross Hypernion 1: Platinum
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Cross Pandemonion 1: Gold
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Cross Katastrophion 1: Platinum
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Hypernion 2: Gold
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Katastrophion 3: Platinum
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Cross HyperLogikion 1
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