That was fun, but it is by far the easiest of the series.

It was pretty short, but SO tricky! I had no idea what to do with the stone until I had a certain brainwave...

what was the brainwave

Nice...

Does anyone know a guide to this game...? Anyone?

I need help too!!!!!

Here\\\'s a good site with a walkthrough.
http://www.gameboomers.com/wtcheats/pcSs /submachinezerowalkthrough.htm

(it wouldn't let me post it as one long thing, so I had to break it into two. You'll just have to copy and paste both parts.)