Left 4 Dead Cheats & Codes

To insert the cheats below, call-up the in-game cheats console by pressing the tilde (~) key. Then, insert the cheats on the left for the corresponding result on the right.

• Buddha - Receive damage, but will not die
• give X - Give any item (where X = item name)
• god - God Mode
• impulse 10 - All weapons and ammunition
• nb_blind 1 - Infected cannot see you
• noclip - Walk through walls
• sv_infinite_ammo 1 - Infinite ammunition (no reloads)
• warp_all_survivors_here - Teleports all survivors to your posi...

Alternate tapping the melee button and the weapon switch button rapidly to double your melee speed. This can be useful for beating off zombies on Expert difficulty. Note: This may be banned in Versus mode.

In Part 1 (The Rooftops), as soo as you start, look over the edge of the building, down to the street. There's a box partway down, possibly an air conditioner. Hop down to that and it should reduce you to 41% life. Drop to ground from there to skip the interior of the apartments entirely.

In Part 2 (The Crane), jump on the fence by climbing onto the vent cover. Head across the fence and jump to the other side of the horizontal fence. Turn left, and head to the end, jumping up and to the right to the AC unit / box on the corner of the next building, allowing you to bypass the crescendo event. On the next building, go to the left corner and jump into the highest branch of the tree below. You may lose up to 80% of your health, so heal up before you leap. This leaves you right at ...

If you'd like to "refill" your health as a zombie, run away from the survivors until you see a message claiming you are too far away. Now you'll be allowed end your current life and then respawn back in the fray. Hopefully they won't make it to the safe room before you're back!

The infected cannot extinguish fires once they are ignited (all modes - but especially in versus mode). Use that to your advantage in the campaign by using the molotov (or igniting gas cans) on tough targets like Tanks and Witches.

If you need to 'reset' your primary weapon to its original (cherry) state, pick up a weapon different from yours, then re-select the weapon you want. This is faster than reloading (plus the time used from replenishing from the ammunition pile), and can help in close-call rescue finales.

When reloading any weapon, your survivor can keep attacking with the melee button. The reloading sequence will continue unabated.

As the director's commentary points out, the Tank can be outrun by any survivor with green (51% or more) health, but the Tank can overtake any survivor with 50% of less life, because the more injured a survivor is, the slower s/he moves.

Pain pills will boost the speed of an injured survivor, although the color of the life bar will reflect his/her original health status.