Don't Step On the Flowers

They were both trapped, no memory of where they were or why. The first minutes felt dream like, but were reality. Tall walls surrounded the perimeter of the area but were unreachable, giving them freedom but locking them inside. It seemed like a game, like they had to find a way out without breaking the rules. The terrain changed every night, but one constant was wooden signs stating rules that seemed to appear everywhere. The most common sign stated, "Don't step on the flowers." These vague clues were the only help they got. Where are they? Will they escape in time? And when the rules begin to change can, they get away with breaking the game?