I know as much about programming video game monsters as I do the exact flavour and consistency of the sands on Mars, but I've always thought the chief advantage of the Slime monster archetype is its economy. A slime, in most games, is a squashy smiley face. Why, I could grow myself one of those right this very instant, by doodling a circle in MS Paint and squinting very hard. Slimes do take more complex forms - chrome slimes, fire slimes, slimes with angry eyebrows, etc - but come now, it's not...