Imagine you stride into the twinkling casino, wallet in hand, ready to roll the dice and see if lady luck is on your side. You’re there for a couple rounds of drinks, some enjoyable gaming, and a good time. Two hours later, you’re not sure what time it is or how much money you’ve lost. You’ve fallen into the casino trap.

It’s easy to be lured into casinos by the flashing lights and free cocktails, but underneath it all are mathematical tricks engineered to bleed patrons of their money. Beneath the varnish of gambling opulence, casinos are designed to be labyrinthine and hard to exit. Moreover, they’re filled with noise and a sense of urgency that keep you making more and more bets. Business Insider has compiled nine ways casinos trick you into spending your hard-earned cash.

Diverse Games

Casinos often offer a wide variety of games to appeal to the different tastes and preferences of their players. This includes the simple silliness of slot machines, the strategy of poker, the fast pace of craps, and the elegance of baccarat. Casinos also have a diverse range of additional amenities such as luxury spas, swimming pools, restaurants, and shopping boutiques to make the experience more holistic.

Director Martin Scorsese dials up the mob drama in Casino to 11, starring Robert De Niro as Sam “Ace” Rothstein, owner of the Tangiers hotel who funnels casino profits back to mob elders from out east. Joe Pesci plays Nicky Santoro, Ace’s best friend and partner-in-crime.