Let's play some games.

http://www.math.utoronto.ca/mathnet/games/

http://www.math.toronto.edu/mathnet/probpuzz.html

http://www.math.toronto.edu/mathnet/interactive.html

http://www.ics.uci.edu/~eppstein/cgt/

http://www.uwsp.edu/acaddept/comm/591class/21/GAMES.HTM

http://www.c3.lanl.gov/mega-math/workbk/graph/gractiv.html

Here is a web site for shuffling.

http://www.geom.umn.edu/docs/snell/chance/teaching_aids/card_shu\ ffling/shuf/shuf.html