ammo anymore architecture attacking awaits backpack brain cameras challenging chasing collapsible combinations compass connecting corridors deadly deathtraps drowning earned emitters enjoyable entrances explore firetraps flame flood floors flybys fro frustrated gates gems ghost guardian knots ledges levers lionheads lions lousy movable orientation pillar placement portal pumpgun pushing puzzles quest scarce scrolls shotgun skeletons spikes sprites tedious tiles tiresome traps tricky underwater unfair vases wraiths