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Best Online Casino Bonus in 2021

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Online casino bonuses can be a bit puzzling to new gamblers. We didn’t know what different bonuses there are, how to unlock them and what conditions are associated with them. With so many conditions and different offers, who should still find their way around? Unfortunately, we were also tricked several times, or at least we felt a bit cheated after we were enticed by a very high bonus and did not manage to clear it.

In this article, we want to provide new and experienced players with all the information they need to know about online casino bonuses so that they understand exactly why online casinos advertise high bonuses and how you can best take advantage of these offers.

Why do online casinos offer bonuses?

The main reason behind the various online casino bonuses is marketing. Large bonuses persuade many players to download the casino software of a provider and then make a deposit.

Online casinos have much lower operating costs than land-based casinos, so they can afford to return a higher percentage of the winnings to the player – this often takes the form of a bonus or promotion.

However, that does not mean that you should play at the online casino where you saw the highest bonus. If a bonus offer sounds too good to be true, most of the time it will.

You should always check out the bonus terms and conditions read through before making a deposit at any online casino just because they have a very high bonus advertised.

What are bonus terms?

There are very generous bonuses available at many online casinos. Even so, the casinos would go bankrupt very quickly if they gave thousands of euros to each player with no bonus terms. This is why online casinos plan exactly how they can give you money to keep you playing – without losing any money – and it is the bonus terms that determine this process.

In general, you always have to wager the bonus money a few times before you can withdraw it from your casino account.

Let’s take a simple example:

  • You play in a casino where you get a bonus of 100% up to $ 100.
  • You deposit $ 100 and can now play with $ 200 ($ 100 deposit amount + $ 100 bonus amount).
  • The bonus terms stipulate that you have to wager the bonus money and the deposit 8 times before you can withdraw it.
  • So you have to bet $ 1,600 [(100 + 100) x 8 = 1,600] to pay out the $ 200. 1600 $ is the sum of your stakes that you have to reach in order to withdraw the bonus (regardless of whether you win or lose while playing).

Attention: At most online casinos, some games are excluded from the bonus conditions. This means that only certain games can be played in order to meet the bonus conditions. So we repeat: If you are planning to clear a bonus, read the bonus terms and conditions carefully before playing.

It is entirely possible to unlock these bonuses. Whether you make it or not is really just a result of your luck.

Conclusion: A good bonus is not always a very high bonus. A bonus of 100% up to $ 100 can be more attractive to the player than a bonus of 400% up to $ 4000. The bonus conditions are important!

In general, the higher the bonus, the stricter the bonus conditions.

The Different Online Casino Bonus Types

All casino bonuses that we know can be classified into five (and more) different types:

  1. Normal bonus: This bonus can be paid out in full after you have fulfilled the bonus conditions.
  2. Sticky bonus: This bonus is generally higher than a normal bonus and therefore always looks very tempting. However, you cannot withdraw the bonus money. Nevertheless, a sticky bonus is advantageous because the often high bonus amount makes it much easier to generate large profits.
  3. No-Deposit Bonus / No Deposit Bonus: Some online casinos give away real money without the player having to make a deposit himself. The advantages are logical – you don’t have to risk your own money before testing the casino. However, you usually have to deposit money yourself in order to withdraw potential winnings that have arisen from the no-deposit bonus.
  4. Free Spins Bonus: Some casinos give you free casino credits that you can use to play for a certain period of time. If you win during this period, you can keep some of the winnings. The advantages are similar to a no-deposit bonus: You can first test the online casino with real money before making a deposit yourself.
  5. Reload Bonus: This is a bonus given to players who have already received a welcome bonus. This bonus is offered by online casinos to entice players to make another deposit. When you find an online casino that you enjoy playing at, you should subscribe to the casino’s newsletter. You will often receive great reload bonus offers from online casinos as a result.

The Welcome Bonus

Today, almost all casinos offer a free welcome bonus for new players. The casinos offer different forms of Welcome bonuses. There is the so-called “Match” bonus on the first deposit, eg “Get a 200% bonus on your first deposit”.

The welcome bonus is in almost all cases subject to certain conditions. Since the welcome bonus is a free money gift, the casinos want to make sure that the player is not just signing on for the bonus and then leaves again. No online casino would survive that way for long.

Normally the player has to bet multiple times the amount of his bonus before the casino allows a pay-off.


Casino A offers a welcome bonus of $500. Before you can withdraw your bonus you have to bet 4 times the amount of your bonus plus your first deposit. (which is actually a very fair offer!)
eg: To receive the full bonus amount of $500 a player has to make a first deposit of $300. After 4 times the amount of bonus plus first deposit has been generated ($300 + $500) x 4 = 3,200 $) you can cash out the bonus. This happens usually quite fast if you don’t play too risky. Then the money can be paid out immediately.


Hint: if you want full control about when to make a withdrawal from your account, you can simply refuse the bonus. Although you can sometimes miss very interesting extras, you can have your winnings paid out immediately.

Sign up Bonus

Registration Bonus or Signup Bonuses – in the end, these bonuses are the same. Most online casinos offer new players a first deposit registration bonus. These bonuses usually correspond to a percentage of the player’s deposit amount with a certain bonus maximum. Almost all online casino registration bonuses have to be wagered a few times before the “free” bonus can be paid out. Playing certain casino games with a low house edge is usually excluded from the bonus requirements.

Let’s take a fictitious registration bonus example:

  • The online casino offers new players a registration bonus of 100% up to $ 100
  • The player must wager 25 times the deposit amount and bonus before the bonus can be withdrawn.
  • Bets on Baccarat, Craps, Roulette, and Sic Bo do not count towards fulfilling the bonus conditions.

In this example this would mean that a player who deposits $ 100 can immediately play with $ 200: 100% of $ 100 is $ 100 + $ 100 The deposit amount is, therefore, $ 200. This player must wager at least $ 5000 ($ 200 × 25) before they are allowed to withdraw the bonus money. In some online casinos, the player can withdraw the money he has paid at any time without fulfilling any conditions, but be careful! Often this is not possible, and then you have to wager the money you have deposited yourself before you can withdraw it from the casino account.

No-Deposit Casino Bonus

There are bonuses where you don’t have to deposit your own money, so-called “No Deposit Bonuses”. There are different types of Online casino no deposit bonusno-deposit bonuses:

  1. Free money, such as $ 10 free at Europa Casino or at the new Winner Casino. These bonuses are like a perfume trial in the drugstore – you can first try the games with real money and if you like them, you can then deposit yourself.
  2. Free spins / free spins without your own deposit: With such bonuses, you receive free spins on certain games and can often even keep the winnings, as in the Platinum Play Casino
  3. Time-limited play for real money without making a deposit, like at Ruby Fortune Casino

Sticky Bonus or Non-withdrawable Bonuses

No bonus is as confusing as a non-withdrawable bonus, also known as a sticky bonus. What many players don’t realize is that sticky bonuses are actually the most common type of online casino bonus. Oftentimes, players do not read the bonus terms and conditions and then get disappointed when they find out that they cannot withdraw the bonus. You can place bets with a sticky bonus given by the casino, but the bonus money cannot be redeemed. When the player wants to make a withdrawal, the sticky bonus is usually deducted from the withdrawal amount.

For example, a player receives a 100% Sticky Bonus on a deposit of $100 with a bonus requirement of $2000. During the game, the player can wager the bonus as well as the money he has deposited himself and thus meet the bonus requirements more easily. In the event of a withdrawal, however, the $100 bonus will be removed from the total amount. For example, if the player has won $300 and wants to withdraw the money, $100 will be deducted leaving $200 left (the player has made $100 profit). The player is not allowed to withdraw money from his casino account when there is only $100 or less left, otherwise, the player would not be able to repay the bonus.

The advantage of a sticky bonus is that it gives the player a financial advantage or leverage over the casino. This advantage is not to be despised! If the player deposits $100, he will receive $ 100 from the casino (100%). If that player now wins 50% on the gamble (so that he now has $300) and then cashes out, he has made a $100 profit. This is a 100% profit of the deposit amount of $100, although the player only won 50% – the sticky bonus has thus doubled the player’s profit.

Other Online Casino Bonus Types

Online casino bonus How it works
Monthly Bonus Offers In addition to the Welcome Bonus, almost all casinos have weekly or monthly bonus offers. These are usually communicated by newsletter and can be very attractive. The amount of these bonuses often depends on how much revenue a player generates (a player with high revenue is a so-called “High Roller” and receives the best bonus offers).
Players Club, loyalty programs In most casinos when you register you will also automatically enter a players club or a loyalty program. These programs are designed to ensure that you choose to stay with the casino. You get bonus points or other extras in return. The more you play, the better you will be treated and rewarded.
Bonuses with certain deposit methods In most casinos, you receive a free bonus if you use an alternative online payment method instead of a credit card, like Neteller, Moneybookers, Paysafecard, Firepay, etc. Why do casinos offer such a bonus? Quite simply, these payment methods are more favorable than credit cards, where the casino has to pay 1-2 % of the amount as a charge to the credit card company.
Cashable Bonuses A rarer but more valuable casino bonus is a withdrawable bonus. This type of bonus can be withdrawn after the bonus conditions have been met. A casino could offer a 100% bonus up to $ 100 with a bonus requirement of $ 2000. After the player has placed bets of $ 2000 in the casino, he can withdraw the $ 100 bonus.

A withdrawable bonus is often limited to certain games. Wagering on roulette, baccarat, craps, and sic bo will usually not count towards wagering requirements because betting on these games would give the experienced player the opportunity to bet on winning and losing results at the same time. He could thus significantly reduce the variance. An example would be betting on red and black in the game of roulette. Bets on games with a low house edge, such as blackjack and video poker, are also often excluded. Some casinos allow such games to meet the bonus requirements but increase the wagering requirements for all games where the house has a low advantage.

Cashback bonuses With a so-called cashback bonus, the player gets part of his losses back from the casino. For example, a casino could give out a 25% cashback bonus every week. Any player who lost money that week would get 25% of their loss back. All players who have won this week will not receive a bonus. Cashback bonuses are pretty rare.
Comp points Comps are generally available in land-based casinos, but also in online casinos. Loyalty points can usually be exchanged for cash or prizes. The amount of cash per bet returned by the casino in the form of loyalty points is usually very small and often changes depending on the game you are playing. For example, a casino could give three loyalty points for every $ 10 wagered on a slot machine and only one loyalty point for every $ 10 wagered on blackjack. The casino could then give you $ 1 back for every 100 loyalty points you earned. This example is equivalent to the repayment of 0.3% of the bets on slot machines and 0.1% of the stakes on blackjack.