You missed some major ones, like:
● No asking for positions. (Moderator or administrator.)
● No advertising sites (porno/servers/games), without permission
● Use common sense in your posts. E.g, post topics in the right section, don't get off topic.
● Thread Hijacking is not allowed. This goes also with don't get off topic.
● GOOD grammar and spelling is encouraged, posts in "l33t" text will be marked as spam.
● No large signatures or inappropriate signatures. (Also no crowns in your avatars.)
● A Moderator (and up) decision is final. No if's, and's, or but's. (Respect Moderator's. Simple enough)
● Having a racist user name, will get you permanently banned, no exceptions.
● One forum account per person, having multi-accounts will get you banned.
● No religious comments. (Prejudice to Jewish people etc.)
● ALWAYS check if you're in the right section when posting a thread, you might be posting in the wrong section.