Players may only speak lines that consist of that exact number of words. Props Establish a definite environment. Characters must use a new space prop before speaking each line. Keep track of what props you have used and where you put them. The audience remembers.
Justification Get an occupation, situation, etc.
One at a time players step forward and perform the world's worst whatever it is. Keep it moving. Plot Scene performance or story-telling. Players always agree and contribute to the story. This helps the plot to continue and go places.