Learn finance by playing, not reading

You read that compound interest is powerful, nod, and change nothing. The sentence went in; the meaning did not.

Guessing is different. When you put a number on the slider and the real one lands 60% away, the gap between what you assumed and what is true becomes something you feel — and that is the moment it sticks. Every game here is built around making the guess first and getting the why immediately after.

Nobody remembers a fact they agreed with. They remember the one that caught them out.

Number check draws on 101 questions, each carrying the source it came from — statistics agencies, central banks, and market price histories. Every question shows its source on the answer screen so you can check it yourself.

Stack or burn's 106 scenarios are either arithmetic you can reproduce from the card itself, or a stated assumption. Where a figure is an average, the card says so rather than dressing it up as precision.

The 40 messages in Scam or legit are written for the game. Every company, domain, email address and phone number in them is invented.

See every source

People in their twenties and thirties who are reasonably smart, reasonably busy, and were never taught this — because almost nobody was. If you have ever nodded along to a conversation about APRs or index funds while quietly unsure, this is aimed squarely at you.

Playing anonymously is the default, not a concession: every game and calculator works without an account, and nothing asks who you are. An account exists for one reason — so your scores, streak and saved questions follow you to another device — and you can delete it yourself whenever you like.

Where a percentile is shown it comes from rounds actually recorded here, and it stays hidden until there are enough of them to mean anything.