Left4DoD Changelog
3 September 2010 – VERSION 3.7.100
- Human Emo now spawns on a timer
- Reduced the health of the Human Emo
+ Added blood effects
+ Increased the power of all Allied weapons
+ Increased the power of one-shot kill drop
- Fixed bug where Zombies would wait at their own flag to capture it
- Fixed bug in Zombie health regeneration
- TK bans now one week
- In coop mode, all flag captures are 2+
+ Added NPC crawlers back but much reduced in numbers
15 August 2010 – VERSION 3.6.100
- Simplified damage system – should be easier to kill Zombies
+ Added better !votelevel system for Supporters
+ bots on fire now lose their target completely
+ Player collisions for human Zombies while in Limbo removed
+ Flags system simplified
- Humans Zombies now appear when capping
+ Bots now target better
+ Increased bot unpredictability at waypoints
+ Decreased likelihood of more than one SI on Coop
10 August 2010 – VERSION 3.5.000
+ Added OneShotKill drop for rifles and carbine (ref. Rusty)
+ BARs and MP44s now push Zombies back
+ Health Packs can now be stored
- Fixed bug in NPC torso where it would crawl through walls and props
- Lowered the health of the NPC torsos
- Fixed a bug where Zombie Blood did not cancel Gas
- Fixed a bug where air strikes were available after spawn
- Fixed a NPC bug where they would crawl in idle animation
6 August 2010 – VERSION 3.4.100
- Reduced torso health
5 August 2010 – VERSION 3.4.000
+ Added NPC torsos
+ Made the Witch less likely to teleport behind a player
- Fixed a major bug in waypoint code
+ Added Blood particles
3 August 2010 – VERSION 3.3.000
+ Added a beam so Allied players can see where the Grey Dude has spawned Zombies
+ The bot Grey Dude can now spawn Zombies
+ Redid the waypoints for Versus maps
- Increased number of humans players needed to become a Zombie
- Fixed class change bug (ref. MrBucket)
1 August 2010 – VERSION 3.2.500
+ Added health indicators for Zombie ESP – Allied players with low health are orange or red
- Reduced env_shake effect for Emo explosions (ref. P.E.Logos)
+ Added delayed team change for human Zombies when Allied player numbers drop (ref. P.E.Logos)
31 July 2010 – VERSION 3.2.400
- Tidied up the TK system with more user messages and warnings
+ Added death overlay for dead human Zombies
29 July 2010 – VERSION 3.2.300
- Fixed an exploit related to class changes (ref. MrBucket)
27 July 2010 – VERSION 3.2.200
- Reduced effect of Gasman gas
+ Added better hints for new players
26 July 2010 – VERSION 3.2.100
- Reduced chance of bot witch teleporting
- Fixed a bug in Gas effects (ref. Oldman)
25 July 2010 – VERSION 3.2.000
+ Added TNT drop – place bombs anywhere – use the USE key
- Fixed bug in TK system
- Fixed a bug in the AntiGas drop
+ Added Melee as TK punishment
+ Added ESP to Zombie Blood
23 July 2010 VERSION 3.1.400
+ Added AntiGas to counteract gas attacks
- Fixed a bug in TK system
- Changed !votekick/!votemute so only one can be done per player per map
- Changed TK system to temp ban after 5+ TKs
+ Increased Allied player count from 12 to 14
21 July 2010 VERSION 3.1.100 – 3.1.300
- Various fixes in TK system
20 July 2010 VERSION 3.1.000
- Turned on Friendly fire
- Rewrote the TK system
14 July 2010 – VERSION 3.0.410
+ Added new game mode – SURVIVAL
- Fixed bug in Molotovs
- Fixed crashes due to weapon drops
- Added new Witch and Anarchist models (Thanks Andersso)
6 July 2010 – VERSION 2.2.500
- Stability bug fix
- Infected One cannot do damage while invisible
3 July 2010 – VERSION 2.2.400
- Fixed a bug where bots would return to their first waypoint after killing a player
2 July 2010 – VERSION 2.2.300
- Changed the way the Emo explodes. Damage to him will reduce the explosion strength
- Reduced bot respawns from 5 to 2 seconds (Thanks Andersso…)
- Shooting the Infected One while he’s invisible will make him less transparent
1 July 2010 – VERSION 2.2.200
- Removed Human Zombies spawning anywhere due to prop mayhem issues
- Added overlays for human zombies that show how to play character
- Reduced health on all Zombies
22 June 2010 – VERSION 2.2.100
- Fixed invisibility glitch with the Infected One
- Rewrote invisibility routines to be more reliable
15 June 2010 – VERSION 2.2.000
- Rewrote Sprite code to use tempents
10 June 2010 – VERSION 2.1.612
- Human Zombies can now spawn anywhere there are no Allied players
- Fixed a bug in bots finding nearest Allied players
- Changed the way sprites are drawn – more selective at who sees them
- Invisible or In Limbo players waiting to spawn can no longer cap points
- In Limbo Zombies are no longer invulnerable
- Merged Left4DoD Coop and Versus plugins
- Equip menu is now available to all players – weapons appear as necessary
12 May 2010 – VERSION 2.1.600
- Removed auto-swap teams
- Removed the !nozombie command
- Fixed a bug where weapons could be picked up by Zombies
10 May 2010 – VERSION 2.1.500
+ Added Box of Nades for Allied players – players get 8 nades
+ Added cookies for Hints
5 May 2010 – VERSION 2.1.410
- Reduced the numbers required for Humans joining Zombies
1 May 2010 – VERSION 2.1.402
- Bug fix
28 April 2010 – VERSION 2.1.400
- Corrected a bug where skulls would not delete correctly
- Added Coop mode (ref. Freekill)
26 April 2010 – VERSION 2.1.300
+ Added a slight offset each time a player’s weapon is fired when under gas
+ Changed the way human players can join Zombies
20 April 2010 – VERSION 2.1.201
+ Added !nozombie to player settings
- Reduced the health of human zombies
18 April 2010 – VERSION 2.1.200
- Completely re-did the Anarchist’s flaming skulls. Skulls now explode.
- Removed Fire Extinguisher for Allies
- Fixed the way the Grey Dude spawns zombies
+ Added player settings for the Weapons Menu
- Weapons Menu now appears every spawn, if desired
+ Added ESP for Zombies
12 April 2010 – VERSION 2.1.102
- Fixed a bug in human Zombie health system
+Added Fire Extinguisher for Allies
11 April 2010 – VERSION 2.1.101
- Bug fix
10 April 2010 – VERSION 2.1.100
- Revamped Bot Waypoint system so they wait to capture flags
- Fixed a sloppy piece of code where the Anarchist could only launch skulls after the previous fire went out
- Buffed Anarchist health (ref. Oldman/mlite)
- Fixed a bug where the bot Infected One would not reappear yet would have a weapon (ref. Oldman)
8 April 2010 – VERSION 2.1.002
- Fixed a bug where the Emo rarely appeared (ref. Oldman)
6 April 2010 – VERSION 2.1.001
- Fixed a bug in the Witch’s speed
- Bot Infected Ones now go invisible as per human Zombies
- Added fire sounds
5 April 2010 – VERSION 2.1.000
+ Added The Anarchist (using Hunter model) – he throws skulls which burst into flame
+ Zombies no longer hack aimlessly – they now start using the spade near Allies
+ Zombies can now sprint
- Human player Witch can no longer sprint
- Human player Grey Dude has a health reduction
- Human player Gas man has a health reduction
31 March 2010 – VERSION 2.0.126
- Fixed bug in stats system – Gas Men get credit for killing gassed humans
- Added ‘ip’ command
- Fixed bug in particle system
- Fixed Witch teleport system – if she teleports into a wall, she will return back to where she started
23 March 2010 – VERSION 2.0.125
- Fixed bug in stats system – Human Zombies now get credit for kills
- Upped refill ammo for ‘Zookas and P’schrecks
- Made the entity dissolver random
23 March 2010 – VERSION 2.0.124
- Changed the ragdoll dissolver for a different effect
- When looking for a target, bots will now choose Gassed players first
- Added bandage sound to health pack
- Removed the smoke when an Infected One emerges from being invisible
- Added smoke when a player picks up Zombie Blood
18 March 2010 – VERSION 2.0.123
- Added cloud to all Zombies when they come out of limbo
- Reduced limit to 7 before Zombies enabled
- Removed a bug when a player slows down after picking up a health pack
17 March 2010 – VERSION 2.0.122
- Fixed a small bug in the difficulty system
- Added some more sounds
- Human Zombies can use Zombie voice calls
15 March 2010 – VERSION 2.0.121
- Improved the difficulty system so that more Specials appear
- Fixed Zombie health for human players so that the more times they are killed, their health goes up
- Added a right click option for the Grey Dude
14 March 2010 – VERSION 2.0.120
- Fixed typo in Hooch (ref. Archon)
- Fixed bug in Infected One’s sprite where it was visible when he was invisible
+ Added scoring for humans
- Fixed download filter so that players have to have it set to ALL before they can join the server.
14 March 2010 – VERSION 2.0.119
+ Added a sprite to the Infected One
- Fixed Emo sounds coming from Allied players
- Changed difficulty system to increase number of Special Infected
- Fixed a long standing bug with Zombie and Allied win sounds
- Fixed a bug in team selection
+ Added a Bottle of Hooch – player has extra stamina
10 March 2010 – VERSION 2.0.118
- Changed the difficulty system
- Fixed a bug where a player could gain a MG on team swap
- Witch now drops pills on death
- Infected One drops health pack on death
9 March 2010 – VERSION 2.0.117
- Fixed a bug in the team swap
- Changed hint text
7 March 2010 – VERSION 2.0.116
+ Flashlights now only stay on for players who want them on (Rusty Hammer)
+ Fixed a bug where the Gas overlay was not pre-caching properly
7 March 2010 – VERSION 2.0.115
+ Bot Zombies when on fire are now disoriented (ref. Oldman)
- Removed Molotov friendly fire (ref. Freekill)
- Removed delay for Molotov use after spawning
- Parts of Zombie HUD are now hidden
- Witch drops health packs on death
6 March 2010 – VERSION 2.0.114
- Fixed a bug with the Emo noises
+ Added infinite Stamina to Witch and Gasman
+ Flashlight is now on by default, for Allies
+ Flashlight casts shadows for invisible Infected Ones
3 March 2010 – VERSION 2.0.113
- Adjusted Human Zombie strength
- Added a smoke particle when Human Zombies use +ATTACK2
- Updated l4dod_status command
28 February 2010 – VERSION 2.0.112
- Added Zombie sounds to human players
- Bot Infected One no longer teleports behind players
- When pills run out, they do not return player to previous health and speed
- Added join team control
27 February 2010 – VERSION 2.0.111
- Removed BETA tag
- Fixed a bug where a player would be permanently gassed after Zombie Blood ran out
23 February 2010 – VERSION 2.0.110 BETA
- Increased in Limbo length for Gasman
- +ATTACK2 now can be used to cancel in Limbo before timer runs out
23 February 2010 – VERSION 2.0.109 BETA
- Fixed a bug where Infected One could be constantly invisible
- Cap control is now a separate plugin
22 February 2010 – VERSION 2.0.108 BETA
- Added team swapping on round end
21 February 2010 – VERSION 2.0.107 BETA
- Fixed Emo being able to explode while in Limbo
- Changed the way Infected One can be invisible
19 February 2010 – VERSION 2.0.103 – 1.0.106 BETA
- Various bug fixes and adjustments
18 February 2010 – VERSION 2.0.102 BETA
- Added on screen display for GasMan’s re-gas, Witch’s and Infected One’s re-TP
- Added on screen display for Pills and Zombie Blood
- Witches and Infected One’s cannot TP near Allied spawn
17 February 2010 – VERSION 2.0.101 BETA
- Fixed bug when a player if forced to join Allies he gets Infected abilities
- Fixed bug where Zombie gets weapons if Allied player number < 6
- Bot Special Infected won’t spawn now with human Special Infected
17 February 2010 – VERSION 2.0.100 BETA
- Complete rewrite of how Special Infected spawn
- Added Emo Special Infected and gave it right click detonate
16 February 2010 – VERSION 2.0.000 BETA
- Converted release of Versus
- New Branch
18 February 2010 – VERSION 1.1.014
- Decreased Grey Dude over health
18 February 2010 – VERSION 1.1.013
- Increased Zombie health
+ Added on screen display for Zombie Blood and Pills
13 February 2010 – VERSION 1.1.012
- Bug fix
13 February 2010 – VERSION 1.1.011
- Corrected Zombies not gaining health each time they died
12 February 2010 – VERSION 1.1.007 – 1.1.010
- Bug fix
10 February 2010 – VERSION 1.1.006
- Bug fix
+ Buffed Panzershcreck
10 February 2010 – VERSION 1.1.005
- Added unlimited ammo to mauser C96
10 February 2010 – VERSION 1.1.004
+ Added Panzerschreck to rocket class
+ Added Mauser C96 to rocket class
+ Major buff to the knife and the Punch
- Fixed a glitch where the Emo warning sound sounded continually
9 February 2010 – VERSION 1.1.003
+ Added more Zombie sounds
+ Grey Dude now spawns Zombie Blood on death
+ Added a delay before Witch or Infected One teleport behind players
+ Added death hints
29 January 2010 – VERSION 1.1.002
- Fixed a bug where German rifle nades did not explode at full power
- Fixed a bug where Molotovs did not explode correctly
- Fixed a bug where health was not correctly applied to player when pills were picked up
- Increased rate of drop of Zombie Blood for low populated servers
25 January 2010 - VERSION 1.1.001
- Gave the MG, pistol and carbine a buff
23 January 2010 – VERSION 1.1.000
+ Added Pills – players can run at higher speeds for a short period of time
+ Added Zombie Blood – zombies will ignore the player for a short period of time
- Rewrote overlays to work better
21 January 2010 – VERSION 1.0.910
- Fixed bug in Gas effect
18 January 2010 – VERSION 1.0.909
- Changed the way Gas effect works to remove occasional gas effect glitch
- Changed how bots behave at map end
17 January 2010 – VERSION 1.0.908
- Changed how Molotovs worked. Players now get credit for kills with the Molotov
- Added a spawn timer so that Molotovs thrown in the first 10 seconds of spawn only smoke.
6 January 2010 - VERSION 1.0.907
- Added more sounds for Witch and Zombies
- Changed the way Zombies make sounds
- Buffed MG
5 January 2010 - VERSION 1.0.906
- Fixed a bug in the waypointing system where bots would teleport to the middle point of the map
31 December 2009 – VERSION 1.0.905
- Fixed a bug in the waypointing system where bots would teleport too far forward
- Added a new model and skin for the Medic Pack
31 December 2009 – VERSION 1.0.904
- Reduced the number of times a Witch or Infected One can teleport
- Fixed a bug where a bot would fail to get waypoints at the start of each round (ref. XOSkeleton)
- Enabled faster respawning for Zombies
30 December 2009 – VERSION 1.0.903
+ Added sounds for Witch and general Zombies
29 December 2009 – VERSION 1.0.902
- Adjusted boss difficulty settings
29 December 2009 – VERSION 1.0.901
- Adjusted difficulty settings (ref. XOSkeleton)
29 December 2009 – VERSION 1.0.900
+ Added Win music for Allies and Axis
+ Added Intro music for Allies
+ Added a new Boss called “The Infected One”
- Fixed a bug where trails would appear behind players as the Witch continually targeted
- Allowed Gasman, Grey Dude, Infected One and Witch to target behind players
28 December 2009 – VERSION 1.0.829
- Fixed a bug in rifle nades for K98 at spawn (ref. Clay Pigeon)
- Fixed a bug where a player could join at map change and reduce bot count
- Fixed a bug where the final player joining the server would not be targeted by bots…
27 December 2009 – VERSION 1.0.828
+ Added rifle grenades for the K98 if selected as a rifleman
26 December 2009 – VERSION 1.0.827
- Adjusted bot teleporting
- Fixed a bug with gas at spawn
24 December 2009 – VERSION 1.0.826
- Tweaked difficulty settings
24 December 2009 – VERSION 1.0.825
- Tweaked the difficulty system
23 December 2009 - VERSION 1.0.824
- Fixed a bug in targeting where a bot would “see” a player behind a wall
+ Added the command “join” to allow players to join Left4DoD community
- Adjusted the strength of the MG
- Made changes to the difficulty system, to allow it to increase
+ Added ‘votelevel’ to allow players to adjust difficulty
22 December 2009 – VERSION 1.0.823
- Fixed a bug in waypointing
22 December 2009 - VERSION 1.0.822
- Corrected the way bots can teleport behind players – now restricted to The Witch, Gas Man and the Grey Dude
21 December 2009 – VERSION 1.0.821
- Fixed a bug with Skybox rendering
- Corrected the bots orienting routine so they begin on round_active instead of round_start
21 December 2009 – VERSION 1.0.820
- Changed the way bots become Bosses
- Added fog and atmospheric ambiance
20 December 2009 – VERSION 1.0.811
- Fixed a bug where snipers would be given a Thompson instead
19 December 2009 - VERSION 1.0.810
+ Revamped the way Gas Man disoriented players
+ Added a menu item for Snipers to choose an alternate sniper rifle
16 December 2009 – VERSION 1.0.803
+ Reduced health for bots
- Removed Grey Dudes, Emos and GasMen from teleporting behind players
+ Increased damage modifier for Bazookas, Sniper rifles, K98s, Garands, Thompsons dependent on player numbers
+ Reduced FF damage because some dumbasses never know when to stop shooting their own team
15 December 2009 – VERSION 1.0.802
- Removed exploding nades – they didn’t crash…I just wasn’t happy with them.
14 December 2009 – VERSION 1.0.801
+ Adjusted waypoints for maps with players less than 4. Only half the waypoints will operate meaning the Zombies will not cap out every time.
+ Added the modified rifle grenade launch – it now adds two additional grenades
+ Changed the way damage is given out
- Removed VoteMG due to abuse
12 December 2009 – VERSION 1.0.800
+ Completely revamped all the waypoints for bots in preparation for survival mode maps
+ Added seven new waypoint navigation sets
+ Added the command “faq” which will allow players to get answers to frequently asked questions
11 December 2009 - VERSION 1.0.716
- Fixed a bug where a player could have an MG42 after changing class from MG
- Fixed a bug where the bots would not re-target after a player died
- Fixed a bug where players could not damage themselves with nades or rocket fire
- Fixed a bug where bots could pick up sniper rifles
- Adjusted the strength of bazookas and applied a rocket limit to server configuration
10 December 2009 – VERSION 1.0.715
+ increased the power of zooks…
+ increased the power of nades
+ added a menu option for Machine Gunners to choose the MG42
+ made it so that team mates can’t slow each other down
- Fixed a bug where players could slow each other down with Friendly Fire
9 December 2009 - VERSION 1.0.714
- Fixed a stupid division by zero bug when calculating bot speeds on injury
9 December 2009 – VERSION 1.0.713
- Fixed an exploit where players could gain multiple MGs
October 2009
After a four month hiatus, I sit down again and work on ammo drops, health drops and begin to refine the bot AI, including ‘jumping’ and maneuvering around the map
May 2009
The idea of Left4DoD comes to me, one night in the bath, as I try to work out how my Skeet bot code could be put to better use. With help from my testers from TheVille.Org and the load of Stevo’s server, we put the Mod through its paces.






