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Odds & Evens
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The playground classic where you throw fingers and the total decides everything. One of you is Odds, the other is Evens — and there are no ties, ever.

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How to play
  1. One player is Evens, the other is Odds. The game tells you which one you are.
  2. Both players throw a number of fingers from 0 to 5 at the same time.
  3. Add both numbers together. If the total is even, Evens wins the round. If it's odd, Odds wins.
  4. There is never a draw — every round has a winner. Play a single round or a longer best-of match.

Strategy & tips
  • Only parity matters. Your 0, 2 and 4 are the same move. Your 1, 3 and 5 are the same move. Underneath the fingers, this is a coin flip in disguise — which is exactly why it's a fair way to settle an argument.
  • People avoid the extremes. Very few players throw 0 or 5; the middle numbers feel more natural. Watch which end your opponent never uses and you'll narrow their range.
  • Know your win condition. As Evens you need both throws to match in parity — both odd or both even. As Odds you need a mismatch.
  • Genuine randomness is unbeatable. Mix your parity 50/50 and mix it properly. The most common mistake is falling into a rhythm your opponent can feel.

Where it comes from

Versions of this game are played all over the world — morra in Italy, odds and evens in English-speaking countries, and countless schoolyard variants. Mathematically it's one of the cleanest games there is: a perfectly fair, zero-sum coin flip that requires nothing but two hands.