Single player Cheats?

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Hey guys, ill be honest im loving this game so far, but im also wanting to mess around in single player campaign and in custom games with cheats, but i dont want to be VAC banned. So... what will work, but not get me banned? ive also got -noEAC as a command line modification to the game, and thats not letting me play multiplayer, which im assuming means its disabling the anticheat.