Creatures are more like the real thing.
It's the Norns that are the focus of the virtual experience, and it's the responsibility of players to nurture them from birth through death. Each Creatures CD-ROM comes with just six eggs, three female and three male. Caretakers first place an egg in the incubator, and after a few moments a Norn emerges, extremely cute and very active. If a Norn hasn't learned how to take care of itself, it will die prematurely. If caretakers have been good mentors, their Norns will flourish and reproduce, swapping virtual DNA and evolving in unpredictable ways.