Sky Skirmish 对比 Dots Clean 的使用情况和统计数据

Operate the cleaner with direction buttons to clean the dots.But you can't stop or go back. The speed increases while the red button is pressed, and the score also increases at this time. There is also a bonus for cleaning large dots early. If you manage to clear all the dots without getting caught by the nuisance, proceed to the next room.