By StiffyLS. Fixed to mod by freeman12393. Necessary components taken from older version of Half-Life 2 and some other fixes were applied, as well. Requires Source SDK 2006. Quick installing instructions: install to "sourcemods" folder of your Steam directory. If when you start the mod it prompts to install something, install it, but wait until it's installed. After this you can start it. To change difficulty, follow the instructions in the README.TXT called "Lower difficulty:".