• Your creation must not violate the Rules and Guidelines For Steam.
  • Your creation must not contain pornographic content (nudity).
  • Your creation must not contain offensive content, hate speech, racism, gore, sexism, etc.
  • Avoid posting historical or religious figures or events (characters, recreations).
  • Do not upload malicious or broken assets.
  • Do not upload Tower Unite game content / items that have not been modified.
  • Do not abuse tags.
  • Do not re-upload new versions of your workshop asset, update your old one. No duplicates.
  • Do not re-upload someone else's work without permission.
  • Do not upload test / work in progress assets that are not usable in the game.
  • Do not upload empty or placeholder assets.
  • If your asset is banned, do not re-upload it. You will be banned.
  • Make an effort with the thumbnail.
  • The asset must be made with the editor provided by Tower Unite.

Thumbnail Rules

  • Make an effort with the thumbnail. Random icons that are not relevant to the addon are not allowed.
  • Blank thumbnails are not allowed.

Failure to follow these rules and/or circumventing the editor limits may result in a ban from the Steam Workshop.


Component Limit
Vertices 30,000
File Size 40 MB
Materials 10

Accepted Formats

Type Formats
Player Model DAE
Item DAE, FBX, OBJ, and SMD
Textures TGA, PNG, JPG
Thumbnail PNG, JPG