First, you need to create a wikidot.com account by clicking "create account" at the very top-right of the page. (Note: This will not work for Safari; you'll need to use Firefox to create an account if you're running OSX.)
Then you have two choices. If you remember the password that I told you (hint: two words; it's the enemy you will have to fight at the end of Mike Hotz's game, which is impossible to defeat even though it's "just sitting there"), then type it in here:
Please create an account and/or sign in first.
if you already have a Wikidot.com account
it is worth it and is free
Otherwise, use this form to apply for membership and then I'll use my admin powers to grant your account permission: