Online casinos, also known as virtual casinos, Internet casinos, or just online casinos, are venues where gamblers play casino games over the Internet. This is one of the most popular forms of online gambling. Online casinos offer a wide variety of casino games. Often called “casinos on the internet”, online casinos allow players to play their favorite casino games from the comfort of their own homes.

Casinos focus a lot of their resources on high-rollers, who spend far more money than the average gambler. They often gamble in separate rooms from the main casino floor, and their stakes can be in the tens of thousands of dollars. As a result, these players bring in a lot of money for the casino. They also receive lavish personal attention and comps, including free luxury suites.

Aside from the casino floor, casinos also feature a wide variety of activities. Many casinos offer daily or weekly poker events. Las Vegas is also home to the World Series of Poker. In addition to offering great poker games, these casinos also feature a wide variety of dining and entertainment options. Some casinos even offer live entertainment.

The house edge is the advantage the casino has over the player over the long term. Many games have a skill element, which allows the player to eliminate the long-term disadvantage. Taking advantage of this advantage is called advantage playing.