Parallel Dimensions

You don't know how you found this place, or what it is, but you're scared. You think hard, and remember... running. Opening a door and dashing into the room beyond. Then, nothing.

You've just regained conciousness, and have found yourself in a circular room with many doors lining the walls. Most of the doors have engravings off pictures and text on them, which you haven't looked at too closely yet. Unfortunately, you cannot remember which door you came in through.

You approach one of the doors...