Grimrock

My graphics in the dungeon have some problems. Parts of walls are missing. There is a black line instead of walls: https://drive.google.com/file/d/0B7GUNrOvCBOReUpXOUt1anc2a3c/view?usp=sharing A part of the wall is missing between the ladder and the next floor: https://drive.google.com/file/d/0B7GUN...