Also, any code can be used as a command line parameter by prefixing it with the "-" character. You can now enter the following codes at the console window. Then, enter sv_cheats 1 and press to enable cheat mode. Once it is loaded and you are playing, press ~ to display the console window. Double click "Half-Life 2: Episode One" to start the game. Click the "Launch Options" button then type -console. Right click on it and select "Properties". Open Steam, go to your "Play Games" menu, and select Half-Life 2: Episode One. Set Damage Value for Submachine Gun Grenades: Set Max Ammo for Submachine Gun Grenades: Set Max Ammo for Pulse Rifle Energy Orbs: Open up the console by pressing the '~' (tilde) key to enter the following commands to unlock the corresponding effect The numerical value for no.# is new damage value for SMG grenades The numerical value for no.# is new damage value for submachine gun The numerical value for no.# is new damage value for RPG rockets The numerical value for no.# is new damage value for grenades The numerical value for no.# is new damage value for crowbar The numerical value for no.# is new damage value for crossbow The numerical value for no.# is new damage value for shotgun The numerical value for no.# is new damage value for Pulse Rifle The numerical value for no.# is new damage value for. The numerical value for no.# is new damage value for pistol The numerical value for no.# is new max ammo for SMG grenades The numerical value for no.# is new max ammo for submachine gun The numerical value for no.# is new max ammo for RPG The numerical value for no.# is new max ammo for pistol The numerical value for no.# is new max ammo for hand grenades The numerical value for no.# is new max ammo for crossbow The numerical value for no.# is new max ammo for shotgun The numerical value for no.# is new max ammo for Pulse Rifle energy orbs The numerical value for no.# is new max ammo for Pulse Rifle The numerical value for no.# is new max ammo for. In the console first type "sv_cheats 1" to enable cheats and then input: