Who Says You Can't Do a Game on Serious Topics - from Nobelprize.org

"Trade Ruler Game" "Bertil Ohlin, awarded the Nobel Prize in Economics in 1977, showed that countries engage in and benefit from trade if their production resources differ from each other."
http://nobelprize.org/educational_games/economics/trade/index.html

I find this interesting. A good example of making complex topics simple and engaging.
It is also a good design for interactive e-learning

http://nobelprize.org/educational_games/economics/trade/game/ruler.html

Ray Jimenez, PhD www.vignettestraining.com
"Helping Learners Learn Their Way"