The term computer game might have one more meaning than you realize. You are familiar with one kind, games that run on computers? They are set in eras from prehistoric and Roman times up to the present, and into various wonderful and depressing future worlds.

There are also games in the physical world, played with pens and paper and imagination which involve the characters doing things in the virtual world of the Internet. Players, and the referee, sit with pen and paper pretending to be using computers. Instead of clicking a mouse to make a computer barbarian use his sword, these gamers roll dice to have their character