AMX Mod X 1.8.2 for 2013 HLDS Update Feb 14, 2013 13:18
We have released AMX Mod X 1.8.2 as an emergency bug-fix release. It is very important that you do not upgrade until you have read below.

The February 2013 update to Counter-Strike 1.6 is part of a large transition of HLDS games to SteamCMD. Because this transition is not yet complete, AMX Mod X may not yet work on specific games. Those games are listed below.

In addition, a Metamod update is required for all new servers. We are providing our own Metamod builds (branded as Metamod 1.20-am) until the official Metamod site can be updated. Note that on Linux, the Metamod DLL had to be renamed, which means you will have to edit [tt]liblist.gam[/tt]. This is true even if you choose to use Metamod-P.

AMX Mod X 1.8.2 will NOT WORK on the following games:
  • Any server installed using HLDSUpdateTool

Metamod 1.20-am and 1.21-am will work on all games supported by Metamod 1.19
(CS:CZ Bots cause a crash with 1.20-am so use 1.21-am instead).

To get all downloads, visit
For upgrade instructions and a full changelog, visit

Special thanks for this release goes to patch contributors Scott Ehlert, arkshine, Fysiks, Reuben Morais, Lev2001, joaquimandrade, Hawk552, and Ryan L. Thank you for your support!
.: by BAILOPAN 286 comments

Downtime Over Jan 22, 2011 08:15
More information here:

Thanks for your patience!
.: by BAILOPAN 48 comments

Developer Builds Available Apr 04, 2010 20:35
HEY GUYS, LONG TIME NO SEE. I've brought the automated build system back online upon request. You can see it here:

A new developer build is created every time a change is checked in. This should give people access to the few fixes that have occurred after the 1.8.1 release. I also took this opportunity to convert the source tree over to Mercurial, so it now lives here:

Since it's been over a year since the last news post, I would like to clarify the state of AMX Mod X development. As you have probably guessed, I no longer have time to work on it. When we started this thing in 2003/2004, it was a full-time deal (i.e. most of us were students). Most C++ developers in the HL1 scene have moved on, either to full-time jobs or other projects.

That's okay though - it's a solid product, and for what it set out to do, it's feature complete and doesn't have too many outstanding bugs.

As for the nagging question, "when is the next release?" AMX Mod X has lots of legacy constraints which makes QA cycles more difficult. I don't see myself having time to oversee a 1.8.2 in the foreseeable future.

I don't want to deter anyone else from stepping up to the plate though. If you want to post patches (in the bug system), please do! I will still review patches, check them in, give people commit access, etc - whatever they need to get work done.
.: by BAILOPAN 67 comments

AMX Mod X 1.8.1 Released Aug 16, 2008 23:46
I'm pleased to announce that we have released AMX Mod X 1.8.1.

This is primarily a bug-fix release, though it has a few feature additions, such as new associative storage natives from sawce.


As always, AMX Mod X plugins and modules remain backwards compatible. The web compiler has also finally been upgraded.

Thanks to sawce for his many changes over the past nine months, and Damaged Soul for helping clean up for this release.
.: by BAILOPAN 204 comments

Security Exploit in UAIO Binary Jan 28, 2008 10:14
It has recently come to our attention that there is an exploited copy of the "UAIO" (Ultimate All-In-One) Plugin being distributed in the wild. It is a special build of UAIO that does not match the original source code, and has been hand-crafted such that any user knowing a secret command can become an administrator.

This incident involves a malicious copy of UAIO that has a secret backdoor. UAIO and AMX Mod X are otherwise normally secure.

In order to protect our users we have released a tool to check your copy of UAIO:

Simply upload your uaio_admin.amxx file and it will tell you whether it has the exploit. Game Service Providers (GSPs) should check their client's installations.

UPDATE: We have traced this issue to the original UAIO author Robert J. Secord ("xeroblood," "SystemWisdom"), who had been distributing malicious binaries, probably so he could backdoor any server using his plugin. UAIO is currently maintained by Xanimos and thus its binaries are now safe! However, if you find any other software distributed by this person, I would think twice before using it. He clearly cannot be trusted.

This type of abuse is beyond unscrupulous. Under no circumstances is it ever acceptable to post exploited or backdoored binaries on our forums.

Additionally, we have collected a Steam ID of someone that has been using this exploit in the wild. I'm listing them and server operators in the community can decide if they want to blacklist them or not:


If you have further questions, please do not hesitate to post them here. Obviously, if you post the actual exploit here, or publicly post any copies of the infected binary, you will be permanently banned.

I would like to thank sawce for finding the exploit, which was no easy task. I would also like to thank Roach who kept this issue alive despite naysaying from yours truly.

Thanks for your support.
.: by BAILOPAN 92 comments

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