The casino is a place where champagne glasses clink and tourists and locals mingle, giving it an electric atmosphere. But it’s also a place where it’s easy to lose track of time and your money. In fact, casinos are designed to lure you in and keep you gambling. From lighting to physical design, these casinos use tricks to manipulate your senses and convince you to keep spending your money.

Whether you’re playing blackjack, poker or a simple slot machine, every game is a contest of luck. There are a few exceptions, such as video poker, which requires skill and strategy to maximize your profits, but most games of chance are pure gambling.

While casino games may be based on luck, they’re not without their advantages for the house. Casinos calculate the mathematical expectancy of winning and losing in every game they offer, so it’s rare that any player will win more than they lose. To offset this, casinos often offer big bettors extravagant inducements like free spectacular entertainment, transportation and elegant living quarters.

In addition to attracting customers, casinos try to keep them in the building by wafting pleasant scents through their ventilation systems. This, combined with dazzling lights and joyful music, creates a manufactured blissful experience that makes it hard to leave. Some casinos even program their machines to increase the number of near-miss outcomes, which can trick players into thinking they’re making progress in a game when they’re actually losing.