IMPORTANT: This mappack requires both Portal and Half Life 2 to be owned and installed in order to work.
Just drop the content of the RAR file (the 4 folders) in ValveSteamsteamapps-youraccountname-portalportal and replace files if needed.
Then load the game, go to Bonus maps and Load the the Mappack from the list.
Ok so. I do have half-life 2. Installed.
It says drop the contest of the 4 folders (sound,models,materials,sounds)?
Is those the folders? I drop them in portalportal folder. Then I load the game and they do not show up in bonus maps. There is no (bonus map zip) file with this pack so I cannot import them.
Can you give me some clues why it would not be working?
Is it suppose to show up together with the original bonus maps?