Your starship crashed and made an emergency landing on an unfamiliar planet. It turned out that its atmosphere is contaminated with radiation. To survive, you need to have time to carry out the procedure for disinfecting the space in 200 seconds. If you don't meet the deadline, you will die. View of the map from the first person. The task is complicated by the fact that all sides of the hero are attacked by aliens. Each bullet that hits the target takes away part of the vitality. You can play until they are all gone. Shoot at enemies with the left mouse button, but remember – it takes a couple of seconds to reload.