In the hard difficulty, after a few rounds, the map stops changing and only the location of the doors between the rooms changes (location of wumpus, spider web, bats, river, and gas chamber remain the same). Also the game is not saving my scores. Otherwise it is perfect.
 "Pipol Smasher"){kind=icon}
 "Wumpus"){kind=icon}
 "SHIFT 4"){kind=icon}