They succeeded by selectively turning on just a fraction of those flashing dots at any given time, so they could distinguish single balls of replica DNA flashing across the cellular landscape. (sciencedaily.com)
To unlock these on each table you must complete three challenges; single ball mode which tasks you with getting the highest score possible before losing the ball; five minute mode which grants you unlimited balls by puts a time limit on your scoring; and finally survival, where you have to achieve a certain score before the timer runs out in order to keep playing. (wolfsgamingblog.com)