While virtual reality has only been a thing — at least in name — since the 1980s, people have been dreaming of life in fictional worlds for thousands of years. (gizmodo.com)
You can even create fictional worlds filled with interesting characters to give them a good dose of entertainment. (elearningindustry.com)
Each map in campaign mode is comprised of fictional worlds with helpful areas that, if controlled, give you advantages in battle. (gamergeddon.com)