In the new quest game Concrete Basement Escape 4, you will go on an exciting journey. You have already gathered all the necessary equipment for an expedition to the abandoned ruins of a former military base. Rumor has it that gold and jewelry were stored there during the war, but no one ever found these hidden treasures. You found the military base without difficulty, but during your search, you fell into the basement and lost consciousness. When you came to your senses, you found that all your belongings were gone; apparently, they remained on the surface. It is very dark and cold here, so it's better not to stay in this place. Explore the surroundings and try to find a way out of the basement of the military base. Good luck!