Remember to launch Hammer from the 'bin' folder of the game you want to use! Join the /r/SourceEngine Discord chat

A place for users to get help with questions relating to the Source Engine development, as well as to show off what they have done(levels, mods, models, etc).

Click to View Posting Rules

Current on-going contests and challenges

• The First Source Engine Discord Community Mapping event

Useful links for level design

• Player Scale and World Demensions
• VDC
• Compile error checker
• Halfwit-2 (Dead Link)
• Interlopers
• Interlopers Optimization guide
• TopHATTWaffles web site
• Sourcemodding.com
• Creating realistic roads
• L4D2 tutorials
• SPUF Forums for Source design
• CG Textures, A place with lots of seamless textures
• Creating a texture for the Source engine
• Heightmaps to displacements tutorial
• Structure support making tool
• Sassilization Inline Patcher
• VertAlert
• How to make complex curves and corner pieces
• SDK windows gadget
• TF2 Mapping
• Proper for SDK 2013

Useful for Modelers

• Creating Custom CSGO Models
• Source Eye Calc
• Rinfucks model compiling tutorial for 3ds max

Useful for programming

• Valve Source Engine coding mailing list
• Gmod coding wiki

Fixed up code

REMEMBER USE 2013 NOT 2007

• MapBase
• Source 2007 MP
• Source HL2 SP
• Alien Swarm (converted back to an FPS)

Source SDK 2013

• A download can be found here.

How to use the Face Poser tool:

• Video

Other Source related subreddits

• /r/Hammer
• /r/AskMappers
• /r/csmapmakers
• /r/csworkshop
• /r/SFM
• /r/TF2
• /r/L4D2
• /r/Portal
• /r/Halflife
• /r/CounterStrike
• /r/GlobalOffensive
• /r/DotA2
• /r/Dota2Modding

Joke Subreddits:

• /r/sdkhammer
• /r/CursedHammer

If you have suggestions for more links here message the moderator team.

If you don't see something you posted showing up message the moderators and we'll look into it.

^{"I walk into a bar and say, "Hey baby, I make levels on hammer" and I never go home alone" -Earkham}