Perfect Square is a great game for acquainting a group of people. We often use it simply as a mixer, but you can ask the following questions as well.
 

Discover

1.  What worked for you?
2.  What was the best part about the activity?
3.  What strategy did you use to get your line in place?

Connect

1.  Where else in life are you moving fast, trying to keep your position (metaphorically)?

Create

1.  What is the most important thing you noticed during the activity?