Concrete Basement Escape 3

I opened my eyes in horror realize that closed in an underground bunker. There were no windows, no doors, the only hope for a ladder that leads up. Closed staircase, and I must find a way to get out, otherwise waiting for me terrible starvation. In the bunker a lot of suspicious objects, collecting them, I can step closer to its cherished salvation. After a while, I noticed that this bunker is my ordeal, it's full of mysteries and puzzles to solve which will help the keys found. If I have the strength and courage, I will get out of here.