The game can be played using a Javascript-enabled web browser. Games run over set time periods, and there are separate divisions for adults and school teams. The site includes a section for teachers' resources. There are links to teaching and research material on various investment topics. Supplementary fees increase number of trades, frequency of statements or give additional accounts.
Users can choose to alter a limited number of variables, or the full set.
As well as very professional design and presentation, the site offers background material on macroeconomic theory. One of them is this well-designed online game in which the student takes the role of American President, setting rates of taxes and government spending and viewing the effects on a variety of indicators. The models run in a web-browser but are also available in downloadable form. This simulation challenges the user to balance the 1995 US Budget by making a serious of choices from drop-down menus. The site works mostly in text, but has an optional graphing feature.