Left 4 Dead 2 Cheat Codes

Developer Console Cheats

At the main menu, select "Options", then "Keyboard/Mouse". Enable "Allow Developers Console". During gameplay, press "~" to access the console, then input the cheat.
Cheat - Effect
tongue_range <#> - (Default 750) Sets the maximum range of the smoker's tongue attack
z_pounce_damage X - amount of damage you want to do to survivors
z_witch_burn_time - Amount of time before a burning Witch dies from fire (does not effect caused by fire)
z_health - Change zombie health
z_speed - Change Zombie speed
director_no_human_zombies 0/1 - Disables/enables controllable Boss Infected on any map
director_panic_forever 0/1 - Enables/Disables never ending panics
director_force_panic - Forces a panic event
give ammo - Full Ammunition
give pistol - Get pistol
impulse 101 - Give Ammo to your primary weapon
give autoshotgun - Give auto shotgun
give health - give full health
give gascan - give gascan
give hunting_rifle - give hunting rifle
give molotov - give molotov
give oxygentank - give oxygentank
give_pain_pills - give pain pills
give pipe_bomb - give pipe bomb
give propanetank - give propanetank
give rifle - give you an MK 47 ( machine gun )
give first_aid_kit - give first aid kit
z_spawn weapon_SMG - give you the SMG
god - invincibility
buddha 1 - just like god but you receive damage (sometimes if you are the only survivor left, you can't receive damage from infected
sb_openfire or open_fire (console will tell) - makes your bot teammates shoot nonstop
director_no_mobs <1/0> - No mob rushes
firstperson - Play in first person (default), this cheat only necessary if thirdperson mode is enabled
Ent_Remove - Removes all bots
z_witch_damage <#> - Sets the amount of damage a Witch's attack does
thirdperson_mayamode - sets the camera to be fixed in place whle in either third person or third person shoulder mode. Enter once to turn on and enter again to turn off
thirdperson - sets the camera to be in third person mode
thirdpersonshoulder - sets the camera to over the shoulder third person mode
z_common_limit - sets the maximum amount of regular zombies
z_tank_health <#> - sets the maximum health of the tank
z_frustration_lifetime <#> - sets the number of seconds until the player loses control of the tank from not attacking survivors
sb_friendlyfire <1/0> - sets whether or not bots (and only bots) are allowed to do friendly fire damage
director_stop - Shuts off all wanderers, mobs, specials, and bosses
z_spawn zombie - spawn 1 zombie
boom - spawn a active pipebomb under you
z_spawn - spawn a special infected
z_spawn mob - spawn a zombie horde
z_spawn boomer - spawn boomer at location of crosshair
z_spawn hunter - spawn hunter at location of crosshair
z_spawn smoker - spawn smoker at location of crosshair
z_spawn tank - spawn tank at location of crosshair
noclip - Toggles no clipping mode
z_witch_allow_change_victim <1/0> - True/false setting that allows the witch to change targets instead or focus on the one survivor that alerted her first
sv_infinite_ammo 1 - unlimited ammunition


Left 4 Dead 2 Unlockables
Steam Achievements

Complete each requirement to receive the achievements.
Unlockable - How to Unlock
ACID REFLEX - Kill a Spitter before she is able to spit.
A RIDE DENIED - Kill a Jockey within 2 seconds of it jumping on a Survivor.
ARMORY OF ONE - Deploy an ammo upgrade and have your team use it.
PRICE CHOPPER - Survive the Dead Center campaign.
SEPTIC TANK - Use a bile grenade on a Tank.
MIDNIGHT RIDER - Survive the Dark Carnival campaign.
QUALIFIED RIDE - As the Jockey, ride a Survivor for more than 8 seconds.
SPIT HAPPENS - As the Spitter, hit every Survivor with a single acid patch.
HEAD HONCHO - Decapitate 200 Infected with a melee weapon.
CHAIN OF COMMAND - Kill 100 Common Infected with the chainsaw.
RAGIN' CAJUN - Survive the Swamp Fever campaign.
CRASS MENAGERIE - Kill one of each Uncommon Infected.
BACK IN THE SADDLE - As the Jockey, ride the Survivors twice in a single life.
WEATHERMAN Survive the Hard Rain campaign.
FRIED PIPER - Use a Molotov to burn a Clown leading at least 10 Common Infected.
DISMEMBERMENT PLAN - Kill 15 Infected with a single grenade launcher blast.
BRIDGE BURNER - Survive the Parish campaign.
RODE HARD, PUT AWAY WET - As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.
HUNTING PARTY - Win a game of Scavenge.
MEAT TENDERIZER - As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.
CL0WND - Honk the noses of 10 Clowns.
BURNING SENSATION - Ignite 50 Common Infected with incendiary ammo.
SCAVENGER HUNT - Stop the enemy team from collecting any gas cans during a Scavenge match.
DEAD IN THE WATER - Kill 10 swampy Mudmen while they are in the water.
VIOLENCE IN SILENCE - Navigate the impound lot and reach the cemetary safe room without tripping any alarms.
CLUB DEAD - Use every melee weapon to kill Common Infected.
A SPITTLE HELP FROM MY FRIENDS - As the Spitter, spit on a Survivor being choked by a Smoker.
LONG DISTANCE CARRIER - As the Charger, grab a Survivor and carry them over 80 feet.
STACHE WHACKER - Prove you are faster than Moustachio.
FUEL CRISIS - Make a Survivor drop a gas can during overtime.
GUARDIN' GNOME - Rescue Gnome Chompski from the Carnival.
CACHE AND CARRY - Collect 15 gas cans in a single Scavenge match.
LEVEL A CHARGE - Kill a Charger with a melee weapon while they are charging someone.
GONG SHOW - Prove you are stronger than Moustachio.
SOB STORY - Navigate the sugar mill and reach the safe room without killing any Witches.
TANK BURGER - Kill a Tank with melee weapons.
SCATTERING RAM - As the Charger, bowl through the entire enemy team in a single charge.
ROBBED ZOMBIE - Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.
CONFEDERACY OF CRUNCHES - Finish a campaign using only melee weapons.
BRIDGE OVER TREBLED SLAUGHTER - Cross the bridge finale in less than 3 minutes.
WING AND A PRAYER - Defend yourself at the crashed airliner without taking damage.
THE QUICK AND THE DEAD - Revive 10 incapacitated Survivors while under the speed boosting effects of adrenaline.
SHOCK JOCK - Revive 10 dead Survivors with the defibrillator.
GAS SHORTAGE - Cause 25 gas can drops as a Special Infected.
STILL SOMETHING TO PROVE - Survive all campaigns on Expert.
STRENGTH IN NUMBERS - Form a team and beat an enemy team in 4v4 Versus or Scavenge.
HEARTWARMER - In a Versus match, leave the saferoom to defibrillate a dead teammate.
BEAT THE RUSH - In a Survival match, get a medal only using melee weapons.
THE REAL DEAL - Survive a campaign on Expert difficulty with Realism mode enabled.
GAS GUZZLER - Collect 100 gas cans in Scavenge.