In Gorod Krovi, we have massive dragons flying through the map, setting fire to our surroundings. Also there are gunshots from the airplanes and explosions everywhere.
In Origins, We have this huge ass robots that pass through the map, stepping throughout the map, making traverse very difficult and airplanes battling in the air, sending gunshots in every direction.
Die rise is probably (realistically) the most dangerous map to travel across, having to make very risky jumps and going through unconventional paths like the elevator shaft