Nim

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Nim

The ancient take-away game, you versus a perfect computer. Several rows of tokens sit on the table. On your turn, take one or more tokens from a single row (tap a token to take it and everything to its right). Whoever grabs the last token wins. The CPU plays the provably-optimal nim-sum strategy and never makes a mistake — but every round is dealt as a position you can win. Find the right cut each turn and you'll beat the unbeatable; slip once and it pounces.

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