Left 4 Dead 2 - Cheat Codesbr

Dead Center
map c1m1_hotel
map c1m2_streets
map c1m3_mall
map c1m4_atrium

Dark Carnival
map c2m1_highway
map c2m2_fairgrounds
map c2m3_coaster
map c2m4_barns
map c2m5_concert

Swamp Fever
map c3m1_plankcountry
map c3m2_swamp
map c3m3_shantytown
map c3m4_plantation

Hard Rain
map c4m1_milltown_a
map c4m2_sugarmill_a
map c4m3_sugarmill_b (Mill Escape level)
map c4m4_milltown_b (Return To Town level)
map c4m5_milltown_escape

The Parish
map c5m1_waterfront_sndscape (Demo level; will glitch graphics until you quit the game)
map c5m1_waterfront
map c5m2_park
map c5m3_cemetery
map c5m4_quarter
map c5m5_bridge

Then, press P during game play to display the console window. Enter sv_cheats 1 to enable cheat mode. The message "Server cvar 'sv_cheats' changed to 1" will appear to confirm correct code entry. You can now enter one of the following codes to activate the corresponding cheat function. Note: Enabling cheat codes will prevent achievements from becoming unlocked.

Toggle God mode for entire team - god [0 or 1]
Gain health - give health
Defibrillator - give defibrilator
Adrenaline - give adrenaline
First aid kit - give first_aid_kit
Pain Pills - give pain_pills
Commit suicide - kill
Quit game - quit
Toggle no clipping mode - noclip
Toggle Incendiary Ammo upgrade - upgrade_add incendiary_ammo
Toggle Explosive Ammo upgrade - upgrade_add explosive_ammo
Toggle Laser Sight upgrade - upgrade_add laser_sight
Grenade launcher - give weapon_grenade_launcher
Hunter claws - give melee
Combat rifle - give rifle_desert
AK-47 - give rifle_ak47
Sniper rifle - give sniper_military
Magnum - give pistol_magnum
Silenced SMG - give smg_silenced
Chrome shotgun - give shotgun_chrome
SPAS shotgun - give shotgun_spas
Nightstick - give tonfa
Boomer Bile - give vomitjar
Guitar - give electric_guitar
Frying pan - give frying_pan
Machete - give machete
Double pistol - give pistol
Pump shotgun - give pumpshotgun
Auto shotgun - give autoshotgun
SMG - give smg
M16 - give rifle
Sniper rifle - give hunting_rifle
Molotov cocktail - give molotov
Pipe bomb - give pipe_bomb
Propane tank - give propanetank
Gas can - give gascan
Oxygen tank - give oxygentank
Refill ammunition - give ammo
Toggle unlimited ammunition - sv_infinite_ammo [0 or 1]
Spawn Spitter - z_spawn spitter
Spawn Jockey - z_spawn jockey
Spawn Charger - z_spawn charger
Spawn common zombie - z_spawn zombie
Spawn zombie mob - z_spawn mob
Spawn Boomer - z_spawn boomer
Spawn Hunter - z_spawn hunter
Spawn Witch - z_spawn witch
Spawn Smoker - z_spawn smoker
Spawn Tank - z_spawn tank
Level select - map [map name]
Level select - changelevel [map name]
Disable all cheat codes - sv_cheats 0

"Swamp Fever: Level 1": "Eat Your Brains" song:
In the bar in the abandoned town, find the jukebox and play it to hear "Eat Your Brains" by Jonathan Coulton.

Heal faster:
Use an adrenaline shot, then use your medikit to heal. This takes a lot less time, especially when you are dealing with a horde.

Easy "Gong Show" achievement:
Play level 4 of the Dark Carnival chapter. Find the strength-testing game in the first area. Inject adrenaline and hit it with a melee weapon.

Easy "Guardin' Gnome" achievement:
Play level 2 of the Dark Carnival chapter. Find the shooting range. Score over 500 points to make a garden gnome appear. Carry the gnome to the end of the level and board the chopper.

Easy "Stache Whacker" achievement:
Play level 4 of the Dark Carnival chapter. Find the Whack-A-Mole type arcade game. Attack it with a melee weapon and destroy it.

Steam achievements:

Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.
A ride denied: Kill a Jockey within 2 seconds of it jumping on a Survivor.
A spittle help from my friends: As the Spitter, spit on a Survivor being choked by a Smoker.
Acid reflex: Kill a Spitter before she is able to spit.
Armory of one: Deploy an ammo upgrade and have your team use it.
Back in the saddle: As the Jockey, ride the Survivors twice in a single life.
Beat the rush: In a Survival match, get a medal only using melee weapons.
Bridge burner: Survive the Parish campaign.
Bridge over trebled slaughter: Cross the bridge finale in less than 3 minutes.
Burning sensation: Ignite 50 Common Infected with incendiary ammo.
Cache and carry: Collect 15 gas cans in a single Scavenge match.
Chain of command: Kill 100 Common Infected with the chainsaw.
Cl0wnd: Honk the noses of 10 Clowns.
Club dead: Use every melee weapon to kill Common Infected.
Confederacy of crunches: Finish a campaign using only melee weapons.
Crass menagerie: Kill one of each Uncommon Infected.
Dead in the water: Kill 10 swampy Mudmen while they are in the water.
Dismemberment plan: Kill 15 Infected with a single grenade launcher blast.
Fried piper: Use a Molotov to burn a Clown leading at least 10 Common Infected.
Fuel crisis: Make a Survivor drop a gas can during overtime.
Gas guzzler: Collect 100 gas cans in Scavenge.
Gas shortage: Cause 25 gas can drops as a Special Infected.
Gong show: Prove you are stronger than Moustachio.
Guardin' gnome: Rescue Gnome Chompski from the Carnival.
Head honcho: Decapitate 200 Infected with a melee weapon.
Heartwarmer: In a Versus match, leave the saferoom to defibrillate a dead teammate.
Hunting party: Win a game of Scavenge.
Level a charge: Kill a Charger with a melee weapon while they are charging someone.
Long distance carrier: As the Charger, grab a Survivor and carry them over 80 feet.
Meat tenderizer: As the Charger, grab a Survivor and smash them into the ground for a solid 15 seconds.
Midnight rider: Survive the Dark Carnival campaign.
Price chopper: Survive the Dead Center campaign.
Qualified ride: As the Jockey, ride a Survivor for more than 8 seconds.
Ragin' Cajun: Survive the Swamp Fever campaign.
Robbed zombie: Collect 10 vials of Boomer vomit from infected CEDA agents you have killed.
Rode hard, put away wet: As the Jockey, ride a Survivor and steer them into a Spitter's acid patch.
Scattering ram: As the Charger, bowl through the entire enemy team in a single charge.
Scavenger hunt: Stop the enemy team from collecting any gas cans during a Scavenge match.
Septic tank: Use a bile grenade on a Tank.
Shock jock: Revive 10 dead Survivors with the defibrillator.
Sob story: Navigate the sugar mill and reach the safe room without killing any Witches.
Spit happens: As the Spitter, hit every Survivor with a single acid patch.
Stache whacker: Prove you are faster than Moustachio.
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.
Tank burger: Kill a Tank with melee weapons.
The quick and the dead: Revive 10 incapacitated Survivors while under the speed boosting effects of adrenaline.
The real deal: Survive a campaign on Expert difficulty with Realism mode enabled.
Violence in silence: Navigate the impound lot and reach the cemetery safe room without tripping any alarms.
Weatherman: Survive the Hard Rain campaign.
Wing and a prayer: Defend yourself at the crashed airliner without taking damage.