For people and teams developing mods and games with Valve's Source engine.

Most Source development activity goes on at the Valve Developer Community wiki, or Steam forums. This group is more like an outlet of those on ModDB than a community in its own right.

Image RSS Feed Latest Screens
Ndu Ver 2014 Ziba Tower FN Browning in CS:S Source
Articles RSS Feed Latest Articles
Fellow developers - We are looking for you!
Divinia Chronicles: Relics of Gan-Ti

Fellow developers - We are looking for you!

Sep 1, 2014 Divinia Chronicles: Relics of Gan-Ti News 0 comments

As we all working hard to meet our development goals for the Early Access version, we are again reaching out for all individuals on Moddb: This year we...

Act I Full Source Code Now Available
Half-Life 2

Act I Full Source Code Now Available

Apr 19, 2014 Estranged News 15 comments

The source code for Estranged: Act I is now available in its entirety on GitHub.

Setting up a mod with the Source SDK 2013

Setting up a mod with the Source SDK 2013

Jun 29, 2013 Tutorial 14 comments

Just follow through these two videos, and you will have a mod that you are able to add custom code into. Since The new 2013 version of the SDK just recently...

The Ark teaser!
Half-Life 2

The Ark teaser!

Jan 31, 2013 The Ark News 5 comments

Hi guys! Finally finished a teaser for the mod. Hope you like it! Make sure to watch in HD!

Source SDK now free to all

Source SDK now free to all

Jun 28, 2011 Source News 8 comments

Following the relaunch of TF2 as a free-to-play game, the Source SDK and SDK Base 2006 game have been made available to everyone on Steam.

Media RSS Feed Latest Video
Post comment Comments  (10 - 20 of 153)
KaBewmTheExplosive Oct 3 2013, 6:10pm says:

Hi! Me and a few friends are making a mod, and hopfully eventually some real games, on the source engine!
I was hoping to get a bit of basic advice for the mod

+1 vote     reply to comment
iinFus3d Oct 19 2013, 12:16pm replied:

If you're new visit this &
this for creation of levels in SourceEngine.
A guide to designing levels (in-general). for 3d art
C++ Api for SourceEngine.

+1 vote     reply to comment
GamerDude27 Nov 11 2013, 12:01pm replied:

How do you make hexagons in hammer?

+1 vote     reply to comment
ValveAperture Mar 12 2014, 6:11pm replied:

You Cant Or Else Your Gonna Need A Mod For Source Engine That Adds The Block Tool Shape

+1 vote     reply to comment
iinFus3d Nov 11 2013, 2:46pm replied:

Perhaps a cylinder with 6 sides?Or just reshape brushes, by splitting on a certain side by pressing CTRL + F (not recommended if you don't know how to handle it, since the modified brush can become invalid if done wrong).

+1 vote     reply to comment
GamerDude27 Nov 11 2013, 4:21pm replied:

Thank you very much. This will come in handy for Deleted Secenes: Source

+1 vote     reply to comment
ValveAperture Mar 12 2014, 6:12pm replied:

There Was A Deleted Valve Intro Made On Goldsource And I Would Of Liked That Intro

+1 vote     reply to comment
GamerDude27 Mar 12 2014, 6:41pm replied:

Uh, are you talking to me? If you are, please explain your comment

+1 vote     reply to comment
marnamai Sep 6 2013, 3:57pm says:


I 'm looking for a particle artist to create some particles for my ep2 mod; DownFall.

Add me on steam to get in contact

+1 vote     reply to comment
Chris*101* Feb 25 2013, 1:11pm says:

Need c++ coder for civil war mod, and player modeler!

+1 vote     reply to comment
SnakSan Nov 28 2012, 10:43am says:

This is my mod and I need a modeler. It will require the creation of difficult models, such as cars, subway cars, etc.

If you are interested, please contact me with a message on ModDB.

+1 vote     reply to comment
Alberto309 Nov 11 2012, 9:27am says:

Hi all,

I'm searching for good modders out there, to create a Source Engine MOD obviously.

If you're interested, smack that link below! ;)


+1 vote     reply to comment
Readyus Mar 7 2012, 10:54am says:

Hi guys!
Just looking for someone who can model 3d characters/aliens for a mod me and my team are making called Quantum Shift.
You can visit us here:
PM me if you are interested

+1 vote     reply to comment
JrComissarValvatorez Dec 14 2011, 3:36pm says:

Anybody know how to re-add achievements from Half Life 2 into a Source mod? Valve broke the scripts (ie doesn't work) so I'm only able to create a Source mod based on it as a work around. However achievements don't work anymore when I use it.

+1 vote     reply to comment
Post a Comment
click to sign in

You are not logged in, your comment will be anonymous unless you join the community today (totally free - or sign in with your social account on the right) which we encourage all contributors to do.

2000 characters limit; HTML formatting and smileys are not supported - text only

Nov 9, 2007
Open to all members
Send Message
Members Only
Join this group
Group Watch
Track this group
Embed Buttons

Promote Source Developers on your homepage or blog by selecting a button and using the embed code provided (more).

Source Developers
Source Developers
60 of 17,244
208 members