The place was an underground labyrinth, with many passages that were rough-floored and little used.

Upon investigation with the help of his brother and torches, the small opening was found to lead to a large underground labyrinth.

"You mean we'll soon be out of this underground labyrinth?"

The game is set in a series of underground labyrinths, filled with monsters, treasures and traps.

The exit of the lawyer and those who had preceded him into that underground labyrinth was now definitely closed.

But the underground labyrinth here is a sanctuary of a different sort.

They were being held and perhaps tortured somewhere in the underground labyrinth of tunnels.

But they were part of a 15th-century underground labyrinth, so deep there were 59 stone steps.

It was like the entrance to an underground labyrinth.

He was still hidden somewhere within this underground labyrinth.