YOU NEED AT LEAST TWO PEOPLE IN ORDER TO CHOOSE A CHAPTER.

Chapters are sub-divided by game: Lower level for Opposing Force, upper level for Half-Life.
Opposing Force Co-op is still under construction.

Each table with two consoles represents a chapter. You need to press both buttons on a table at once WHILE STAYING DIRECTLY IN FRONT OF THE CONSOLE.
When you fail to open a Portal, you will hear "Access Denied".

For more Information, read the read me.



PS: Yes, this Map has a Secret.