Astro Dude is an astronaut, who was forced to make an emergency landing on the planet "N" due to the fact that the spacecraft, which was supposed to get him home, broke down. This planet suffered from the environmental disaster in the past and has no oxygen now. Nevertheless supplies of oxygen have to be constantly replenished. With the help of improvised material, the astronaut will be able to overcome all obstacles. Help Astro Dude to find the details to repair the ship and come back home.