ammo annoy architecture arrows avoiding balls beetles blast boulders brighter bug buttons catacombs cave challenging clever climbing clue colourful corners crawling crawlspace crossbow crowbar dispose dungeons enjoyable explore explosive fact flares flyby gems glitch intriguing jumps lacks ledges levers lit moments mummies overall palace pit puzzle raid reloading retrieving shatter shootable skeletons skellies spiked spooky sprites storyline straightforward temple tricky undead value wad wraiths