Space Shooter -Alien attack

In the distant future . Our civilization has begun to explore the nearest planets suitable for life. We were able to grow plants to fill the planets with oxygen. People gradually began to move from earth to new planets. Meanwhile, scientists were exploring outer space around the planets and were convinced that we were alone in the galaxy. But...
A huge group of meteorites has approached the planet furthest from earth, Nibiru. The people living on it were immediately evacuated to the ground. After the meteorite crash, researchers discovered unknown life forms that were rapidly multiplying. They began to fly to populated planets and destroy cities... The Interethnic Union of Space Forces chose you as commander of the liberation mission. You have to clear the galaxy from aggressive creatures to continue space settlement missions. Good luck!