well you can always make your own playable ghosts
White: normal death old age
Blue: drowning
Red: fire
Yellow: electrocution
light purple; starvation.
there is a way to get each one:
red for instance make a smalll room add stove, refrig and counter top have them make waffles as soon as its in oven cancel action and watch the fire burn
blue add a small pool add wall or fence around pool once sim is inside then move counter for energy to red and watch them drown.