Start of a small 2 level Dungeon

[Bogie]

Good start here on the 2nd level.
2 things:
Since there is no sun, why is there grass? The floor tile you are using is cobblestones with grass in between the stones.
Did you get it from cgtextures or DundJinni? Instead of that try something like this: or this or

I never cared for that particular stair shadow, and the stairs are different in the 2 maps, they should be the same. see how it looks if you use the same graphic.