American Public Media sponsors this simulation that allows the player to select goals and then seek to balance the federal budget. Budget Hero is addicting!
The San Francisco Federal Reserve Bank's simulation of the FOMC is entertaining and informative. Try to keep inflation and unemployment under control by targeting the fed funds rate and get reappointed.
This is an entertaining game that teaches you how the Heckscher Ohlin theory of trade works in an interactive game format. Try to make the weekly high score.