Addendum: For some reason I don't quite yet understand, many users are reporting that they're getting a black screen when they launch. The game is running, because they can hit tab and cycle through the characters (they can hear the character sounds). If this is happening to you, try the full screen version.
For instructions on how to install and play Gug, click here.
For instructions on using the Gug Level Editor, click here.
Gug Discussion board