CheatCodes.com has all the official Half-Life: Team Fortress Classic PC cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Wednesday May 22, 2013 for Half-Life: Team Fortress Classic are shown below.
Change your class to a scout. Go in the console, type "+reload", then go underwater in any level. Go in the console and type "kill". Wait for someone to get your pack, then you will be a zombie. To respawn again, go in the console and type "-reload".
Note: This must be done on the server machine. Type "sv_cheats 1" at the console. Change the map with the "changelevel [map name]" console command. Then, type "tf_weapon_[weapon name]" at the console on any machine connected to the server to select that weapon.
You have to have a server of your own. If you know how to change to low grav or high grav, then you can do this hint. First change to low grav, go to console and type in sv_gravity 50. After you do that wait till someone is in the air. Quickly go to console and type in sv_gravity -60000000000. After you do that the player up in the air will be sucked straight to the ground and will die. But don't move untill you type back in sv_gravity 200 in your console or it will kill your too.
Use the following steps to use the crowbar to shoot bullets from the chaingun or flame from a pyro. Change your class to an HW or Pyro. Then, use up all your ammo from your chaingun or flamethrower. After wasting all the ammo, get out the crowbar and hold the Right Mouse Button (or whatever displays your special ability menu) and run over a pack of ammo. You should now be able to shoot with your crowbar.
Start a multi-player game and get the heavy weapons character. Have your Gatlin Gun ready and get ready to switch your gun. Have the gun that you want, ready then hold the Left Mouse Button for three seconds. You will hear the gun rotate. The gun you selected will have the same ammunition that the other gun. This also gives you an extra 192 shots with the shotguns.
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