Excellent!
You're good to go!
If at any time you want to come back to play Space Cows From Outer Space! you can come back to this page, and you will be able to continue any games you have in progress.
The URL you need is:
http://www.space-cows.co.uk/user/guest_login.php?u=6638d35a96
Click on 'my matches' at the top of the screen to get started.
Bookmarking this page right around now would probably be a good idea!