Stockpickersgame

Stockpickersgame is a stock picking game set on a simulated market. Thousands of rule-based agents, which are not AI agents, make trades that move each stock's price, and they follow different rules to represent different trading styles. You can buy and sell shares in 12 companies and advance a clock at your own pace.

You can play ten years in a single sitting and see how your long-term decisions turn out. The site also lets you challenge friends to compare results.