Players are automatically kicked from multiplayer servers if their name breaks one of the game's name rules. One of following messages will appear when this happens:
Your Steam username is too short.
Your Steam username is too long.
Your Steam username contains invalid letters.
Your Steam username cannot be just a number.
Your character name is too short.
Your character name is too long.
Your character name contains invalid letters.
Your character name cannot be just a number.
Your friends-only private nickname is too long.
Your friends-only private nickname contains invalid letters.
Your friends-only private nickname cannot be just a number.
Naming Restrictions
These name rules apply on all multiplayer servers:
- Minimum length of 2 characters. (Friends-only private nickname does not have a minimum length.)
- Maximum length of 32 characters.
- Empty names are not allowed. For example, only spaces (" ") results in a kick.
- Newlines are not allowed. For example,
\nand similar control characters result in a kick. - Rich text formatting tags like
<b>,<i>, and<color>are not allowed. - Cannot contain "Nelson", in order to prevent impersonating the developer.
- Cannot only be numbers. For example, "1234" results in a kick.
Servers can enable an additional set of restrictions:
- Only alphanumeric characters (A-Z, a-z, 0-9) and certain punctuation are allowed.
- ASCII character codes cannot be below 32 to or above 125.
- Forward slash
/, back slash\, single quote', double quote", and backtick`are not allowed.