Modding Rules & Guidelines

Creating Mods for Warhammer 40,000: Dawn of War III

Dawn of War contains IP owned by Games Workshop, and as a result you should consider the following when creating mods for this title:

When uploading Dawn of War III mods to the Steam Workshop via the game, you’ll need to confirm you’ve read the section on Mods in the game’s EULA. This is provided as a pop-up message when you are uploading.
Please ensure your mod meets the requirements laid out in the EULA, especially with regard to the treatment of Games Workshop and Warhammer 40,000 IP, and ensuring that no third party IP is present.

Do not include or alter content in a way that is offensive or denigrating to the universe of Warhammer 40,000.
Please only include Warhammer 40,000 content in your mods – other Games Workshop IP like Age of Sigmar or Warhammer Fantasy Battles is separate and is often licensed to other companies, or used in other games.

It is not permitted to charge or ask for money for your Dawn of War mods.

If as a modder you have questions regarding something you are working to create – please reach out to us on our official forums. We will be happy to answer any questions you have!

As a player, if you’ve found a mod that you feel violates our rules or goes against the spirit and intent behind the modding program, you can report it to us by emailing