A guy named Tom is surfing. Every day he goes to the beach with his board to ride the waves. Once, on the way, our hero fell into a manhole and fell into the sewer. Sewer water is highly poisonous and corrodes everything that gets into it. Now you in the game Don't dare to Decay will have to help your hero get out of the sewers and save his life. To do this, he will use his board. Having risen to surf, he will rush along the sewer tunnel gradually picking up speed. Look carefully at the screen. By controlling the actions of your character, you will have to bypass various obstacles and traps. On the way, help the character collect various items that will help the hero survive.