Game Belka and Strelka naughty family: Space flight online

Two smart dog, named Belka and Strelka, went into space in order to save the blue planet from the invasion of dangerous meteorites. They took control of the spacecraft and a powerful cannon, which can split the stone of any size into small fragments. For each destroyed meteorite will be added bonus points. Also, try to avoid a collision with the alien, stone bodies that move randomly.