Left 4 Dead 1

# uddha - 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 position

# warp_all_survivors_to_checkpoint - Teleports all survivors to the nearest
checkpoint

# warp_all_survivors_to_finale - Teleports all survivors to the finale

# warp_to_start_area - Teleport yourself to the next chapter