Valve Hammer Editor

This subreddit is meant for everything around the mapping tool Hammer. Here you can post questions, get feedback, help others, or simply brag about your work!

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hammer++ is out

Posted 14th Mar 2021u/CheshireBreak

Reworked drivetrain for combine SWAT APC from HL2 beta.

Posted 2nd May 2026u/Anton_Avtomat

Is there something wrong with my test map Compiling cubemaps takes an eternity

Posted 2nd May 2026u/shimxyfrash2

Having sky issues

Posted 2nd May 2026u/IabubudubaichocoIate

[WIP] car workshop

Posted 1st May 2026u/Anton_Avtomat

Issue with npc_strider

Posted 2nd May 2026u/danidevfan99

small update on my trainstation map

Posted 1st May 2026u/thesupersuspense

HDR Lighting completely bugged

Posted 1st May 2026u/top_crab24

Good way to use Ai to better the map

Posted 2nd May 2026u/Shaggy091

is it possible to make this slope look better?

Posted 1st May 2026u/Dependent_Crazy_8975

trying to create a specific event

Posted 1st May 2026u/Ok_Acanthaceae3071

Checkboard overlay when in path tracing mode

Posted 30th Apr 2026u/hoodyFPS

Made a map inspired by Clair Obscur: Expedition 33

Posted 30th Apr 2026u/Unnamed60

Map in progress 🔨👷

Posted 29th Apr 2026u/GerdyGames

*URGENT MESSAGE*

Posted 28th Apr 2026u/Snoo-64457

HELP 0xC0000005 even tho there's no leak

Posted 28th Apr 2026u/Addy_Jame

Brush issue while trying to create a curved tunnel

Posted 27th Apr 2026u/OddLeg2355

My Application to Game Studios

Posted 27th Apr 2026u/marcudaniel1337

My hammer map for gmod isnt able to find the files when i try to run it ingame.

Posted 27th Apr 2026u/the_scrimblo2

ENG: Please help. When I launch the map I made, some models (prop_static) don't show up in the game, even though these models are present in the Hammer itself. Thanks (Sorry, I used a translator, so it might not be very clear)

Posted 26th Apr 2026u/United-Protection-44

Why isn't my map uploaded to the workshop? (Read disc.)

Posted 26th Apr 2026u/South_Finding1603

Showing 21 posts out of a possible 50.
29 posts hidden as gallery mode enabled.