Choose game
Basically, you choose
odds or evens and remark "Once, twice, three, SHOOT!" each player either holds out a closed fist,
1 finger, or 2 fingers, therefore the total can either add up to 0, 1, 2, 3, or 4. If it is 0, no player wins. If it is even (2,4) the
evens player wins and if it's odd (1,3) the odds player wins.