When choosing a slot machine to play online, it’s a good idea to pay attention to the payback percentages. Generally, slot games pay out higher in online casinos than in live casinos. Some sites even have target payback percentages included. You should also check whether the game you’re interested in has a demo version, which you can watch before you play.

You can be a winner at slot machines that have many paylines, but you may still be a net loser. For example, if you bet a nickel on 20 paylines and won on one, you would lose 50 cents, even if the machine said that you had won. This happens because the human brain treats near-miss results as a win.

Some casinos have high-limit slot machines. These machines are generally $5 or higher and are separate rooms. High-limit slot are typically staffed by a cashier or attendant. You may also be able to find videos of the game in action. This makes it easier for you to make an informed decision. When choosing a slot machine, consider the payback percentage before playing.

Slot machines usually have a pay table that lists the credits that you’ll receive if your symbols line up. Many of them have multiple symbols that can represent various combinations, so you need to know what they are before playing. This information is available on the machine’s face (older machines have it above and below the wheels), or in the help menu of the video version.