[King_OXO]

Description:
An administrator survivor can summon a nuclear missile on crosshair with command
and the missile appears in these final maps when the survivors escape:
-c5m5_bridge
-c6m3_port
-c8m5_rooftop
-c11m5_runway

-special and witch die

Installation:
download the l4d2_nuke.zip file and extract everything in the left4dead2 folder
take the particles inside the Particles.zip file and put it in left4dead2/particles

1 SM File/Folder Downloader and Precacher
https://forums.alliedmods.net/showthread.php?p=602270

2 Install Fast DL.
[L4D2]DownloadsTable Black Screen Fix
https://forums.alliedmods.net/showthread.php?t=175952

[L4D(2)] Remove Lobby Reservation
https://forums.alliedmods.net/showthread.php?t=94415

what should you put in server.cfg:

sv_allow_lobby_connect_only "1" // Fix Black screen
sm_cvar sv_allowdownload "1"
sm_cvar sv_downloadurl "http://your website.com/left4dead2/"

Command:
!nuke or sm_nuke - Call the Missile
!nuke_reload or sm_nuke_reload - Reset Limits to Call

Notes:
if a mushroom cloud does not appear at the missile impact site, the particle is too large

Changes:

2.0 (New codes, thanks Silvers.)
3.0 (prettier particles, player no longer kills the infected(replaced by env_explosion), AddFileToDownloadsTable added and New Convar(see the Cvars )

Cvars:

// Damage when mssile explodes
// -
// Default: "500.0"
// Minimum: "0.000000"
// Maximum: "999999.000000"
l4d2_nuke_damage "x"

// Limit to use the nuke missile
// -
// Default: "15.0"
// Minimum: "0.000000"
// Maximum: "999999.000000"
l4d2_nuke_limit "x"

// missile Particle Type
// -
// Default: "1.0"
// Minimum: "1.000000"
// Maximum: "2.000000"
l4d2_nuke_particle_type "x" -new

// missile blast distance
// -
// Default: "1500.0"
// Minimum: "0.000000"
// Maximum: "999999.000000"
l4d2_nuke_radius "x"

// missile Velocity
// -
// Default: "2000.0"
// Minimum: "0.000000"
// Maximum: "999999.000000"
l4d2_nuke_velocity "x"

All Particles: