In a game or Quiz, whenever two or more teams get the same number of points it is said to be a tie. However, only one of them can be declared as the winner. In such a case, there is an extra round which decides who will be the winner. This extra round is called the Tie - breaker.
For Example: When England and New Zealand both scored 241 runs in the World cup final, Each team was given an extra over as a tie breaker.