Make a simple mini mod without coding
Basically a gathering together of ideas on how to make a map scary to the player.
Demystify the Source SDK with this handy guide.
A tutorial on how to change the format of the menu. Be advised that this is not a tutorial one how to create graphics or art, but simply how to alter the menu format for your mod.
Commons errors when working with Source
This is basically a document that highlights all of the important changes from HL1 to HL2 mapping.
How to Install Maps
The purpose of this page is to answer most of the commonly asked questions about Scripting and problems related to Scripting.
Here's the list of other command-line parameters.
How to use Pakrat
A mini tutorial on how to record in game action to produce a movie that will run in most media programmes.
Player Size Information. (Danial at Chatbear did some tests and put this together)