Every game in Las Vegas, and why every one of them is built to take your money.
Learn how each game works, play all of them with $1,000 of fake money, and then see the arithmetic that decides the result before the first card is dealt. Nothing here takes real money, asks for an account or stores anything outside your own browser.
Game guide
Baccarat, blackjack, roulette, craps, sic bo, casino war, Texas hold'em, three card poker, slots, Mighty Cash-style hold & spin, video poker, keno and more: the rules, what each bet pays, and the house edge printed next to it.
games · betsPlay with fake money
Thirteen games dealt from real shuffled shoes and fair dice. A counter beside the table shows how much you've bet, what the maths expected you to lose, and how long that would have taken at a real table.
$1,000 play moneyThe maths & the mind
House edge, how fast it eats a bankroll, why your chance of being ahead shrinks every hour, gambler's ruin, why betting systems can't work — and the psychological tricks that keep people playing.
Formulas · calculators · 1,000-player simulationThe whole site in one line
It doesn't depend on how much you bring, how you bet, when you stop or how lucky you feel. The casino doesn't need to win every bet. It only needs you to keep placing them, and every page here shows how it makes sure you do.