Mortal maze 1.0

It is first free 3d sound action game with shooter and maze features.
You are in the maze. The maze is situated on the board which is 50X50 cells. There are 25 rooms in this maze. Each room has 2, 3 or 4 entrances. There are 40 monsters in the maze. You are walking. Monsters will appear from time to time. You have a gun to kill the monsters. You must find all entrances and kill all monsters in the maze.