Kryptós CronOS
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Cribbage

10 stages

Fifteen-two, fifteen-four — learn the classic pegging card game

Cribbage — the centuries-old card game played across a wooden pegging board — taught from the ground up. This epoch builds a complete beginner into a confident player: the object and the race to 121, the deal and the dealer's crib, the cut and 'his heels', counting your hand at 'the show', the scoring building blocks (fifteens, runs, pairs, flushes, and 'his nobs'), the play/pegging phase up to 31, pegging and discarding strategy, the board and match-play etiquette (skunks, muggins, the two-peg leapfrog), and the expected-value thinking that defines mastery. A game of arithmetic, card sense, and quiet tactics — attributed to the poet Sir John Suckling and descended from the older game Noddy.

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Decision Bank

Drill every decision from this epoch in one shuffled set — practice, not graded, fresh each run →

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