About Odd or Even

Odd or Even is a fast sorting game. A number appears and you tap Odd or Even as quickly as you can. Fifteen numbers per round, from small numbers up to a thousand.

How to play

1. Pick how big the numbers get.
2. A number appears — is it odd or even?
3. Tap Odd or Even (or press 1 or 2).
4. Fifteen numbers per round; build a streak.

Tips

Only the last digit matters: if it ends in 0, 2, 4, 6 or 8 it's even, no matter how big the number is.