What is extraball?

In pinball, an extra ball is a bonus ball awarded to the player, in addition to the balls already in play. Extra balls can be earned in a variety of ways, such as by completing certain tasks or achieving certain goals.

Some common ways to earn extra balls include:

* Collecting a certain number of points. This is the most common way to earn an extra ball. The number of points required to earn an extra ball can vary depending on the game.

* Shooting a specific target. Some games have targets that, when shot, will award an extra ball.

* Completing a certain task. Some games have tasks that, when completed, will award an extra ball. For example, a game may award an extra ball for completing a certain number of loops.

Extra balls can be a valuable asset to a player, as they can give the player more opportunities to score points and win the game.