Downloading Knockball 1.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Games, more precisely Action. This Mac application was originally designed by FRH Games. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
KnockBall is a physics-based billiard game that challenges you to play against yourself or the computer. You can either battle against the computer’s AI and knock the most balls off of the board to win, or challenge yourself to earn a 3-star rating for using the minimum number of hits on all 160 obstacle-packed levels.
You may want to check out more Mac applications, such as Marathon Red, Angel The Cat or Call of Duty® 2, which might be related to Knockball.