Space Invasions vs Matryosick

The Invasions Keep to base attack, seize the opportunity to put them back to outer space bar 太空侵略隊，不斷向基地進擊，抓緊機會把它們送回上外太空吧！

operation ◁▷: Move left and right △: Shoot a harpoon Shoot the harpoon to destroy the balls while being careful not to get crushed by the flying balls. With the exception of some balls, you can destroy them with anything other than the tip of the harpoon. When you destroy a ball, it splits into smaller balls, so if you destroy it when it becomes the smallest, it will disappear.