References and Game Materials
The game's authors are Mike Alexander and Joy Beatty. The references related to the game are:
 M. A. a. J. Beatty, "Games-Based Requirements Engineering Training: An Initial Experience Report”, 16th IEEE International Requirements Engineering Conference.
 M. A. a. J. Beatty, "Effective Design and Use of Requirements Engineering Training Games", Seilevel Inc., pp. 18-21, 2008.