How to mod Castle Crashers

Go to the castle crashers discord (linked below) and head to mod-dump. Then download the mod you want.

https://discord.gg/castle-crashers-wiki

If you don't want to use Discord, you can use Gamebanana to download the mods

https://gamebanana.com/search?_sModelName=Mod&_sOrder=best_match&_idGameRow=9330&_sSearchString=knight

If you don't want to use Discord or Gamebanana, certain youtube videos may contain download links to the mod you are looking for (like Zumbee's project evergreen showcase video. It contains a link in the description to the download of the mod).

go to castle crashers in your library and click the settings icon. then hover over manage, then go to browse local files. keep this screen open, and head back to your mod that you installed.

Extract the downloaded ZIP file, and copy its contents. Go to Castle Crashers' files and go to data. Paste the files there, and click replace when prompted.