The simplest way I've found of adding a login box to a website is to use User Session Pro. The guys that make it have a short tutorial on how to do it:
( http://www.prophpscripts.com/tutorials/how-to-add-a-members-login-to-your-website )
I hope that helps.
This is a free shout box site: http://www.shoutmix.com/main/ All details can be found there.
If your trying to copy a game from another website chances are they have a box that says embed or share and you get the Embed code and paste it onto your website.
One can add a comment box to their website by following the advice on the website "Yola". Yola contains easy to read instructions on how to add a comment box to one's website.
The answer box is below the user name and password boxes on the login page.
You can log in to the University of Phoenix website by clicking "Student Login" on the top right corner of the page. Then proceed to login by entering your details into the box on the right and click "Login" to login to the eCampus for the University of Phoenix.
The LEGO ID can be used to login to all portions of the LEGO website. All IDs consist of a username and password. The login box is located on the top-right of most LEGO pages.
you go onto the magic box inc website and click on the gogos logo.
It is very easy use HTML code.
You simply type PUZZLEPALACE into the secret codes box at the login of moshi monsters along with your login details. After you type this in, log onto moshi monsters and it will be in your treasure chest. For more secret codes go toWhat_are_the_secret_codes_for_Moshi_Monsters
Above the answer box, there are instructions for doing this.
you may take the HTML and copy and paste it onto your website HTML, but they may done by copying a link to the game, for example you could copy a link to runescape.
You have to press on the login box on their website then it wil say join us now for free and then you can create an account and everything!