People may keep a digital pet in lieu of a real pet.
Digital pets are distinct in that they have no concrete physical form other than the hardware they run on.
Digital pets can be "simulations of real animals, as in the Petz series" Virtual pet sites are usually free to play and accessible to all who sign up.
They can be accessed through web browsers and often include a virtual community, such as Neopia in Neopets.
Sometimes they have a setup for breeding one's pets and then adopting them out.
In these worlds, a user can play games to earn virtual money which is usually spent on items and food for pets.
One large branch of virtual pet games are sim horse games.
Some sites adopt out pets to put on a webpage and use for role-playing in chat rooms.
or pet-raising simulation) is a type of artificial human companion.
They are usually kept for companionship or enjoyment.