We check this website, now mmmgames.co.uk is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is mmmgames Down Right Now? - NO! mmmgames is up!
If you have problem with access to site mmmgames, and domain mmmgames.co.uk is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).