hello , i need help the game crash when i start it , i installed it that way , c.programfiles.steam.steamapps.sourcemodes.Obsidian and i putted the files in that folder , when i did that i restarted my steam and i saw the game on the list , i have downloaded it and when i start it it crash ..
i own the requiers games , i have hl2 css ...
edit: oops sorry i just found i downloaded only hotfix file , without the full game , i am downloading it now and hope for it to work 
the game mod looks really cool , sorry for that .. its the first time i am trying it