Learn by playing
Free courses you play: a story, the theory, a lab that moves, and challenges that earn XP.
Free gamified courses in statistics, data science and SQL by Aritra Pan. Every module is a fictional company with a real problem, live simulations, challenges, XP and badges.
Statistics, played
From describing data to probability, distributions, inference, regression, trees and clustering, through six fictional organisations and their real problems.
Start playing →SQL, played
From your first SELECT to joins, subqueries, window functions, database design, indexes, transactions and data warehouses, with a real SQL engine running in your browser.
Start playing →AI, played
Search, heuristics, constraint satisfaction and reasoning, with algorithms you can watch think.
One story per moduleA company, library or village with a problem; the method is what solves it.
Theory, brieflyShort explanations with the equations and pointers to standard textbooks.
Labs that moveSimulations that run unit by unit, with play, speed and reset.
XP and badgesFirst-try answers earn full XP; five cleared files unlock the board meeting.
Free to use in teaching. No sign-in; progress is saved in your own browser. All organisations, people and data sets are fictional.