Top Secrets That Casinos Do Not Want You to Know

Casinos are businesses too, and like any business, they have secrets. Professional gamblers know most of these secrets and act accordingly. For example, you will never see them playing some games. Beginners, on the other hand, are often unaware of the existence of a secret. However, if you want to have more fun and win more often, you need to learn what casinos hide from you. Below we have listed the most important of them. Here are the secrets casinos don’t want you to know. 

Some Games Let the Player Win More

Contrary to popular belief, some casino games are really better than others. The casino earns a profit from every bet you place. Sometimes this is just 1% of your bet, sometimes 30%. This is called house edge, and each game has a different percentage. As a player, your goal should be to play games with the lowest house edge value possible. In this way, you can limit your losses and increase the return on your investment. The table below shows the games with the lowest house edge values: 

Casino Game House Edge
Blackjack 1.00%
Video Poker 2.00%
French Roulette 3.70%
Slot Machine  5.00% (on average)


Poker players can further reduce house edge with tactics, such as switching cards. This table shows the average values. In this context, it is possible to reduce the house edge even to zero in blackjack with optimal gameplay, but this is a very difficult task. What you need to understand from this chart is that some games allow you to win more often. Ideally, we recommend that you choose these games. It is also best to check the RTP values separately before playing slot games like Silver Lion: 95.00% is an average value, and each slot game has a different RTP/house edge percentage. For example, for Game of Thrones online, this value is 96.40%. 

Some Games Designed to Be Worse Than Others

We mentioned above that some casino games are better than others. The opposite is also true. Some games have such high house edge values that you literally play to lose. These are mostly colorful, flashy, and very simple games. But they are designed with ruthless mathematics. Their sole purpose is to make as much money as possible into the casino. If you are playing one of these games, forget about winning: you will only feed the casino. In the table below, you can see the games with the highest house edge values. 

Casino Game House Edge
Keno/Bingo 25.00% – 30.00%
Casino War 18.65%
Big Six (Wheel of Fortune) 15.53%
Sic Bo 8.00%
American Roulette 5.26% 


Make sure to stay away from these games; it is that simple. Some types of bets on these games have higher house edge rates, but the fact that they are the worst games you can play does not change. To give you an idea, let us state that the casino wins 30 EUR/USD of every 100 EUR/USD players deposit while playing keno or bingo. 

But in the End, Online Casinos Always Win

Now let’s talk about a secret that everyone knows, but nobody wants to accept: The casino always wins. Ask the dealers, and they will tell you this is true. So what does this really mean? Casino games are mathematically designed so that the player always loses in the long run. This is the case even in games with the lowest house edge rate. We mentioned above that blackjack is the ideal game, right? This is because the house edge is less than 1%. Let us illustrate what this means with an example:

  • Let’s say you started playing with 100 USD and played a near-perfect game.
  • In the long run, you get 99 USD back; you lose 1 USD.
  • So no matter how good a player you are, the casino always manages to win 1 USD from you. You will never earn 101 USD and make a real profit: there is no game with a house edge below 0%.

We know what you are thinking: If you play with 100 USD, you can earn 300 USD; this is always a possibility. In this case, you would make a profit, right? Actually not, because:

  • The casino knows you will keep playing with the ambition to win more. In the long run, you will lose again.
  • Even if you don’t play more, the money you spend on the games you play until you earn 300 USD is actually much more.

In other words, in the long run, everything turns around and verifies the house edge values. You cannot avoid this mathematical conclusion. If you play a single game all your life, be lucky enough to win more than you invested in that game, and if you never play again in your lifetime, then you can talk about beating the casino. In any other scenario, the casino always wins. 

Bonuses Are Not “Free Money”

Most players think that casino bonuses as free money, but the truth is the opposite. Casinos never give something for free. In fact, you give them more money than your bonus just to be able to use it. This is because of the wagering conditions. Once you get a bonus, you cannot use it immediately. First, you need to wager a certain amount of money, which means depositing money and playing games. How much money must be wagered is specified in the bonus terms and conditions. This ratio is usually between 20x – 30x, but in some casinos, it can be as high as 60x – 70x.

This means that if your bonus is 100 EUR, and the wagering rate is 20x, you need to wager 2,000 EUR before you can use that 100 EUR (20 x 100). In other words, to get 100 EUR, you must first spend 2,000 EUR on bets. This shows why bonuses are not free money. This secret only concerns online casinos: land-based casinos do not have such bonuses. 

Casinos Watch You All The Time

And this secret concerns only land-based casinos. Players playing any game are constantly monitored in the casino. We are not just talking about security records made with cameras here. Casino security is also physically close to each table, so they can interfere within a few seconds. You probably knew that, but did you know that if you win big, all eyes will be turned on you? It is not possible for security to follow every player in live camera images, but players who have made a big bet or have won big will start being watched by at least two people. One of these people is a security guard, and the other is a cheating expert.

As you continue to play, you will be constantly followed by these people. If they suspect that you are cheating, security guards will remove you from the table. What happens next depends on the type of cheating done. If you were just counting cards, you would be politely invited to leave the casino. Your name will be saved in a database called a black book, and you won’t be allowed to enter any casino again. In the case of fraud, you directly deal with the police, and both civil and criminal cases may be brought against you.

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