Gigantocorp

From the introduction:

In GigantoCorp, you will portray one of countless employees of the megalithic corporate entity referred to as GigantoCorp. GigantoCorp, as its name would suggest, is the largest corporation in the world. It also [is] the only corporation in the world. Every single product, from toothpaste to paperclips to machine gun ammunition, is designed, produced, packaged and sold at GigantoCorp. Similarly, everyone works for GigantoCorp... even the people who are unemployed.

User summary:

Gigantocorp is presented as a series of seven main web pages: Gigantocorp, Furtively Answered Questions, Company History, Employee Handbook, Executive Lounge, Corporate Directory, and Contact Information.