Half-Life 2 and Episode One and Episode Two maps in game Portal. For Portal-Life Total you should have Half-Life 2, Half-Life 2 Episode
One, Half-Life 2 Episode Two and Portal. Now easy installation. Put all files
from archive in the directory of your game Portal. Select self language
in gameinfo.txt. When you want to play in the original Portal just
delete the scenes_episodes vpk from a custom folder and write in
the console for example: exec portal_chapter5. Enjoy.
Easiest way to avoid wrong animations or invisibility make small
changes to gameinfo.txt.
If you wish to play on maps Half-Life 2:
If you wish to play on maps Episode One:
If you wish to play on maps Episode Two then no change is required