\begin{thebibliography}{10}

\bibitem{Becker:2007:SGC:1292428.1292436}
K.~Becker and J.~R. Parker.
\newblock {"Serious Games + Computer Science = Serious CS"}.
\newblock {\em J. Comput. Small Coll.}, 23:40--46, December 2007.

\bibitem{Kleinberg:1051910}
J.~Kleinberg and E.~Tardos.
\newblock {\em Algorithm Design}.
\newblock Addison-Wesley Longman Publishing Co., Inc., Boston, MA, USA, 2005.

\bibitem{sdf09}
K.~Lieberherr.
\newblock {Software Development: CSU 670 Fall 2009}.
\newblock Website, 2009.
\newblock \url{
  http://www.ccs.neu.edu/home/lieber/courses/cs4500/f09/cs4500-f09.html }.

\bibitem{sdsp09}
K.~Lieberherr.
\newblock {Software Development: CSU 670 Spring 2009}.
\newblock Website, 2009.
\newblock
  \url{http://www.ccs.neu.edu/~lieber/courses/csu670/sp09/csu670-sp09.html}.

\bibitem{scghome}
K.~Lieberherr.
\newblock {The Specker Challenge Game}.
\newblock Website, 2009.
\newblock \url{http://www.ccs.neu.edu/~lieber/evergreen/specker/scg-home.html}.

\bibitem{algf10}
K.~Lieberherr.
\newblock {Algorithms and Data CS 4800, Fall 2010}.
\newblock Website, 2010.
\newblock \url{
  http://www.ccs.neu.edu/home/lieber/courses/algorithms/cs4800/f10/course-desc%
ription.html }.

\bibitem{JA-82}
K.~J. Lieberherr.
\newblock Algorithmic extremal problems in combinatorial optimization.
\newblock {\em Journal of Algorithms}, 3(3):225--244, 1982.
\newblock
  \url{http://www.ccs.neu.edu/~lieber/p-optimal/karl-algo-extremal.pdf}\gap.

\bibitem{jacm-81}
K.~J. Lieberherr and E.~Specker.
\newblock Complexity of partial satisfaction.
\newblock {\em Journal of the ACM}, 28(2):411--421, 1981.
\newblock \url{http://www.ccs.neu.edu/~lieber/p-optimal/JACM1981.pdf}\gap.

\bibitem{1296179}
N.~Nisan, T.~Roughgarden, E.~Tardos, and V.~V. Vazirani.
\newblock {\em Algorithmic Game Theory}.
\newblock Cambridge University Press, New York, NY, USA, 2007.

\bibitem{Schell:1252688}
J.~Schell.
\newblock {\em The Art of Game Design: A Book of Lenses; electronic version}.
\newblock Elsevier, Burlington, MA, 2008.

\bibitem{TopCoder}
TopCoder.
\newblock {The TopCoder Community}.
\newblock Website, 2009.
\newblock \url{ http://www.topcoder.com/ }.

\end{thebibliography}