Which game isn't fair for two players to play?

a number cube is rolled. player 1 gets a point for the numbers 3 or less, and player 2 gets a point for the numbers 4 or higher.

a coin is flipped. player 1 gets a point for heads side up, while player 2 gets a point for tails side up.

a number cube is rolled. player 1 gets a point for an even number, and player 2 gets a point for an odd number.

a number cube is rolled. player 1 gets a point for any number that is 3 or higher, and player 2 gets a point for any number less than 3