A classic representative of the survival game genre with RPG elements and a cool atmosphere. In the story, the action takes place on Earth after an asteroid hit it a few years ago. The main character wakes up in a bunker controlled by artificial intelligence. According to the task of artificial intelligence, the character must get to the surface and assess the situation. During the passage under the hero, the player will have to explore the territory, get food and useful items, as well as fight with hordes of mutants. New locations that open with increasing levels will give more information about what is happening.