FIRST THINGS FIRST
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The only way to launch this map in L4D2 that is guaranteed to work is to open the console and type "map hunter_training" in a NEW game, at the main menu. If you've played even one other map since launching L4D2 before trying to play Hunter Training, there is a possibility that the map will not load correctly. This is a problem with L4D2, NOT the map itself.

IFF you have "Rayman1103's Mutation Mod" you can also launch the "Hunter Training" mutation from it, which fixes most of the problems L4D2 introduces, like the bots not moving on the Live Fire Course.

The console name of the mutation is "huntertraining", so you would launch the game from console with the command "map hunter_training huntertraining".

I believe it is possible to launch a mutation as a single player campaign, but I don't know how, don't ask. That's what Google is for.

COMPATIBILITY NOTE
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This addon works in L4D1 as well, with no changes needed, so if you own the original, I highly recommend copying this addon over to that game and just playing it in there instead. It works better, in fact, since the updates to L4D2 that broke multiplayer for this map aren't in L4D1, so if you want to play this with friends, it's much, MUCH easier to do it in the original than in 2. Also, there's no issue on the Live Fire Course with the survivors just standing around like idiots in L4D1 like there is in L4D2.

CAN'T LOAD MAP
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The most common reason for this error is that the map hasn't finished downloading yet. Give it some time and try again.

NOT SPAWNING AS A HUNTER
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If you are a ghost, just walk into the corridor (on the training) or one of the spawn rooms (on the Live Fire Course), the map will automagically spawn you as a hunter (or whatever it says on the room's door).

If you are not a ghost, and especially if the game makes you tank, you will need to commit suicide by opening the console and typing, without quotes, "kill". You can then wait for the respawn timer to bring you back as a ghost infected, or you can run the spawn command, details for how to use the spawn command are only a Google search away.

If you're spawning as a survivor, or getting the team switch menu, then you're not launching the map correctly. Read the "FIRST THINGS FIRST" instructions at the top of this document.

LEFT 4 DEAD 2 SPECIFIC ISSUES
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The L4D2 Director will still sometimes spawn a witch and/or a tank when playing the map even though it's turned off by the map when the map is loaded. There's no way to stop this from happening that I am aware of. If you're stuck as tank, open the console and type, without quotes, "kill". You be then be killed and, after the respawn timer is finished, allowed to spawn like normal.

Multiplayer is NOT supported in L4D2. It MAY be possible, but ever since the update to L4D2 that removed cheats being able to be on in servers, I've no idea how to do it. Don't bother asking me.

L4D2 does not allow cheats to be turned on in servers- any servers, even the localhost one (, even though the console error message says you can turn them on in a local server). Because of this, Hunter Training can NOT be played multiplayer in L4D2.

IFF (not a typo, Google it) there is an addon that enables multiplayer cheating, this map will work, although with some un-fixable problems:

Many commands are now only able to be executed by a player, including three commands that HTM uses: "z_spawn", "give", and "noclip".

Also, the survivor bots in the Live Fire Course no longer move. A custom game mode must be used in order to make the bots move on their own. The addon listed in the description worked last time I checked, however I have received reports this is no longer the case and is therefore probably no longer possible to fix.

What does this mean for you?

In multiplayer, even if you can get it to work in the first place, which means being able to turn cheats on in the server, the auto-spawning in the first corridor and in spawn rooms will no longer work, and your health will go down when you are hit. Hunter Training **REQUIRES** cheats to be able to be turned on in order to work correctly.

The workaround for the spawning and "invincibility" (headshots still kill) are as follows:

Spawn yourself as a hunter by typing "z_spawn hunter" into your console, or
putting 'bind <key> "z_spawn hunter" ' in your autoexec.cfg, without the ', and
pressing <key> to spawn. (Replace <key> with any key - use Google to find the
names of the keys if you don't know them.) You will spawn as a hunter wherever you are looking when you execute the command, as long as you are a ghost infected when you do it.

To manually enable auto-healing, run this in console:

exec auto_heal

The map contains an "auto_heal.cfg" config file within it which contains the commands which make the "invincibility" work, you just need to manually run the file using the above command.

At this point there is no known way to correct these problems.
As soon as one is found I will fix them. (I've given up looking for one, so unless and until someone else tells me they've found it, it's not happening.)


INSTALLATION
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On your system:
1) Place the addon file in the "addons" directory of the game you want to play it in.
(L4D2 Workshop subscribers don't need to do this, unless they're copying it from L4D2 to L4D1.)

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On a dedicated server:
1) Place the addon file in the "addons" directory on the server.

(The below is REQUIRED for L4D2 servers, and recommended for L4D servers.)
2) Install SourceMod. Refer to the SourceMod site for installation instructions.
3) Place the plugin file in the "addons/sourcemod/plugins" directory on the server.
4) Place the plugin extension file in the "addons/sourcemod/gamedata" directory on the server.
(Both the plugin and the extension can be downloaded from the L4DMapDB site.)
5) Install a custom game mode onto the server and all players' games that allows the cvar "sv_cheats" to be turned on. The map will **NOT** work if cheats cannot be enabled.

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PLAY
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Single Player:
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1) Select "Play Single Player", NOT "Play Campaign".
2) Choose Hunter Training in the addon campaign list, and start the game.
3) Wait until you spawn as a ghost infected in the start room, and walk through the corridor to spawn as a hunter.

You can also start the maps using the console, with
"map hunter_training" for the Challenge Course or
"map hunter_training_c21" for the Live Fire Course.
(Note: In L4D2, this is only guaranteed way to run the map without issues.)

Multiplayer:
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1) Open L4D(2)
\/ Skip the next step if you do not have a dedicated server.
2) Run "ms_dedicated_force_servers <server_ip>" in console, replacing <server_ip> with your server's IP address.
(The command is "mm_dedicated_force_servers <server_ip>" in L4D2, and the server must be setup correctly as detailed above.)
3) Start a new Versus Lobby.
4) Select Hunter Training in the addon campaign list.
4a) Select "Best Available" (if you have a dedicated server).
4b) Select "Local" (if you do not).
5) When everyone is ready, start the game.

Other Concerns:
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The string table error is caused by having two different versions of the same map.
If both your game and the server have the same version number, then make sure both copies were downloaded from the same *official* location: either the Steam Workshop page, or the L4DMapDB page.