Level Types --Open/Claustrophobic/Hybrid

Claustrophobic (cant see much, sneak and move slowly because danger lurks around every corner)
    (Good for a chase scene... i.e. you need to follow a certain enemy... maybe you battle an enemy at the mouth of the cave/maze/labyrinth, and they retreat back to the lair and you have to follow them (hint follow the blood stains))
    Catacombs
    Sinkhole
    Maze (Library/Labrynth) many corners can have enemies in wait
    Prison (Small Cells in claustrophobic corridors)
    Long Corridors (good for Ranged attacks)
    Tunnel
    Burial Chamber
    Underground Passage
    Mine (collapsing beams)
    Bridge (Race as it is lit on fire)
  
Hybrid (watch out there may be a traps secret doors, ambushes)
    (good for secret rooms, treasure rooms, trap rooms (fall into traps)
    Ice Cave
  
    Frozen City (People turned into Ice Sculptures)
    Large Rooms in Town (Bazaar) large rooms but the streets are crowded
    City built into the side of a mountain
     Mountains (small passes on the side of the mountain Caverns are more open areas)
   Buried City (City buried by a sandstorm) tightrope walking on boards
   Volcanic City (City that was overtaken by volcano lava)
   Shrine
    Drowned City (City sunk into water/swamp) hold breath to get to different sections/rooms
   Swamp/Tar Pit (environmental hazards Tar/ Swamp Gas/Poison/ Slower movement speed)
   Museum
   Dungeon/Tower
   Abandoned City (Filled with ghosts/ etc. watch out for spirits)
   Battlefield (Trenches and open areas)

Open (Watch out, you could get swarmed from all sides)
   Desert
   Arena (Boss Battle)
   Courtyard (Boss Battle)
   Wilderness/Forest (Ambushes enemies hidden (archers & hunters)


Weather and other visual obstruction variants (Layer on top
(This gives the impression of depth to the game, and it also can increase tension since visibility is lessened)
Rain (Decreases visibility)
Snow
Ash
Clouds
Sandstorm (like god of war)
Night/Fog