Do not abuse tags - Mistagged addons will be taken down.

Do not reupload newer versions of your addons - Update the old one, don't upload a new one.

(Even if the original workshop addon was removed) Reuploading workshop addons is strictly forbidden, whatever the reupload reason is.

Do not reupload addons - Reuploaded addons will be taken down.

Do not upload multi-part addons - What this means is that if your addon won't fit in a single addon - do not upload it.

You should test your addons in Dev Branch to make sure it is not broken in the next version of the game. This includes Lua errors, missing custom models, sounds or materials.

Do not upload broken addons - Erroring addons will be removed.

You can learn how to update your icons here. If you can't be bothered to make an icon for it then don't bother uploading it.

Make an effort with the thumbnail - Addons with blank or irrelevant thumbnails will be taken down.

You should use Workshop collections instead. A pack of cool weapons you downloaded is not fine. A pack of maps you found that you think are cool is not fine.

Avoid uploading packs - Unless they're all your work.

Avoid requiring other addons - If your addon does require another addon - it shouldn't throw errors if that addon isn't present.

This includes props that are required for your addons to work. CS:S, Portal or Half-Life 2 games) will be removed.

Do not upload retail game content - All addons containing any content from a paid game (e.g.

Do not release stolen code - All addons that are proven to have stolen code will also be taken down.

Doing so will get your account permanently banned from the Garry's Mod Game Hub!.

This includes giving yourself elevated access over other users (SteamID checks, Giving yourself Admin status, RunString, spawning entities, etc), forcing people to be connected to different servers against their will, crashing or otherwise preventing the player from using the addon in private or on their servers.

Do not upload addons with malicious elements - All addons containing any sort of exploits or backdoors will be removed.

pornographic sprays/decals, nudity) - this includes links to such content in description.

Your submission must not contain pornographic content.

Your submission must not contain offensive content.

Facepunch Terms of Service and UGC guidelines.

Rules and Guidelines For Steam: Discussions, Reviews, and User Generated Content.

Rules applied to Garry's Mod addons uploaded to Steam Workshop. Violating the rules will get your submission banned. This page describes rules for all Steam Workshop submissions in Garry's Mod Hub.

Steam workshop screengrabber gmod