Since you managed to get one chomper shot, it sounds like you're doing the right thing. Just try to keep the chompers tailing you while walking around in circles until all the chompers are shot.

Have you located where the key and the exit are?

Um, that too was already mentioned in that same thread:

http://www.pcpuzzle.com/forum/viewtopic.php?t=11660

According to the info on the thread, the shortcut you (and others) have mentioned something M.S. overlooked.

A complete map of all of Wonderland is going to be huge! Even if we have such a thing, I'm not sure how useful that'd be.

I'm sure you are stuck at just a specific area. Is it the Forbidden Forest by any chance?

Aha! Of course, thanks Patrick.

You have to complete a specific adventure before the arcade opens, but I don't remember off top of my head which adventure it is and where to find it.

[edit: found the answer in this post: http://pcpuzzle.com/forum/viewtopic.php?t=11760#114836 ]

I just finished this level a minute ago. It's definitely not easy, but here's 2 more hints that might help:

1) Instead of having the Wee Stinker stand next to the red button, have him start off further away from the red button, but start making him move towards the button earlier. Start moving ...

Well I'm new at this game but I just finished that level yesterday, so it's fresh enough in my mind for me to help.

Hint (highlight to read):

At some point you'll need to Brr a path to lead the chomper to the correct bumper so that the chomper ends up on the indigo (dark blue) button. You'll then ...