This is the Nspire version of the old DOS program 'Green Globs'. Students are given random points in which to find their own equations. The more points they go through with one line, the better their score.
Students may work in small groups, individually, and/or as a whole class. You can have students all work on one game board together with small groups each contributing one line. With the new OS 3.2, we now have the ability to graph undefined lines 'x='.