Learn all you need to know about bonus codes – check out our expert guide!

If you want to unlock the best casino offers – then you need the know-how, when it comes to bonus codes. In reality, while bonus codes are simple to understand, there are a range of different requirements when it comes to activating casino and slot promotions – sometimes they need a bonus code, and sometimes they don’t! Our guide to casino bonus codes, will tell you everything you need to know – including different types of bonus codes, where to find the best bonus code offers – and how to get the best experience when using bonus codes.

Summary: Best Casino Bonuses 2020


If you want instant access to the best bonus codes and casino promotions – then just click on the offers you like most from our top-rated casinos. If the casino offer requires a bonus code, you’ll see it listed in capitals, like: BONUS CODE: YGGDRASIL. If there’s no bonus code needed – then you can claim the offer without the need to unlock it with a code.


You can find a range of bonus codes that will unlock different types of bonus rewards, including deposit bonuses, re-deposit rewards, free spins and no deposit bonuses:

Welcome offer deposIt bonus codes

Welcome bonus deposit bonus codes unlock the chance to make a deposit and receive cashback to use during bonus rounds. The deposit bonus code may activate rewards such as a 100% deposit match, 150% deposit match, or a flat cashback reward such as 20.00 in bonus money. Welcome bonus codes may also unlock extra bonuses, such as free spins. PokerStars welcome bonus code is a simple example – our secure link gets you a 20.00 bonus when you deposit 10.00 using the bonus code TWENTY. Occasionally, you may be lucky enough to find some no deposit bonus codes. 

Re-deposit bonus codes

Some welcome bonuses offer you the chance to gain a deposit match or cashback bonus, following your initial welcome bonus. Sometimes, each re-deposit bonus will require you to enter an individual bonus code to claim the offer. One of our recommended casinos with re-deposit bonus codes, is Genesis Casino, which offers three re-deposit bonuses (note that with this casino, you do not have the enter a welcome bonus code to get the welcome bonus reward!):

Second Deposit 50% multiplier up to €300 (Use Genesis Casino bonus code: WGEN2)
Third Deposit 25% multiplier up to €300 (Use Genesis Casino bonus code: WGEN3)
Fourth Deposit 25% multiplier up to €300 (Use Genesis Casino bonus code: WGEN4)

Free spin codes

You can find free spin bonus codes that unlock free plays on a range of slot machines, giving you the chance to try and win real money from free spin bonus rounds. Slots Magic has this type of bonus, so if you follow our secure sign-up link and use the bonus code BOOK75 – you can claim a 100% bonus up to €300 + 75 Free Spins on Book of dead.

Do you always need a bonus code?

When it comes to activating casino bonuses, you sometimes need to enter a bonus code – but sometimes you don’t! While this can be a bit confusing, you just need to make sure you know the mechanics of claiming any bonus offer you want to use.

Here are the different things you may need to do to claim a bonus, that may or may not need a bonus code:

  • Enter a bonus code: Enter the required code(s) for your casino’s bonus offer.
  • Enter a bonus code for some elements: Often you don’t need a code for the welcome bonus and first deposit – but may need one for re-deposit bonuses!
  • Click to claim a bonus – Click to active the bonus button inside your casino account.
  • Register/Deposit to claim a bonus – Just register or make a deposit to automatically activate a bonus.


At Yggdrasil Casino we bring you the latest generic bonus offers, along with exclusive Yggdrasil Casino bonus codes for our fans! Our special bonus codes give you bonuses that you can’t find anywhere else – so bank them while they last! As an example, if you use the code YGGDRASIL when you register via our secure Mega Casino link – you can claim a 100% match bonus up to €100 and get 50 x free 0.10 spins on Gem Rocks slot.


Bonus Codes are sometimes needed by new players, to activate welcome bonuses, in addition to unlocking bonus offers for existing casino gamers.

Bonus Codes for New Players

If you’re a new player wanting to unlock a welcome bonus at your selected casino, then you’ll sometimes need to enter a bonus code. PokerStars is a good example – if you use our secure link, you can enter the bonus code TWENTY in a bonus code box found your account. Once you’ve made your casino account and entered the code, you’ll activate a 20.00 bonus when you deposit 10.00 or more on your first deposit. You do not always need a bonus code to activate a new player bonus.

Bonus Codes for Existing Players

Our recommended casino sites, will help you play with brands who offer a stream of lucrative bonuses fr existing players – such as cashback bonuses, free spins, and deposit match bonuses. Existing player bonuses often require a bonus code, which needs entering inside your account, during each promotion’s qualifying period. When you pick a new casino from our top-rated lists, you can opt-in to receive bonus codes and promotional offers via email and SMS.


Bonus codes are simple to understand – but our fast FAQ will help newbies start using them with zero stress:

What is a bonus code?

Bonus codes are special coded phases that can be used to unlock bonus offers at online casinos and slot sites. For example, entering the code YGGDRASIL could get you a deposit match bonus up to 100.00, or 300 free spins. Each bonus code unlocks a different reward at specific casinos. 

What is a welcome bonus code?

Welcome bonus codes are just for new players at a casino, typically letting new members enjoy deposit matches, cashback, and free spin rounds. Some online casino offers do not require bonus codes.

Where can I find the best bonus codes?

You can find the best bonus codes at Yggdrasil Casino – we’re dedicated to searching the web and working with leading casinos, to let you claim awesome bonuses. We also offer you some exclusive bonus codes and offers.

Do all casino bonuses need a bonus code?

Many online casino bonuses do not require a bonus codes to unlock them. For example, you can claim many bonuses just by creating an account and clicking on the ‘accept bonus’ button. Other bonuses reward you when you sign-up and make a deposit. Our casino and bonus reviews will give you the correct bonus codes if needed.

What do I receive with a Bonus Code?

Bonus codes activate a range of different types of rewards, including deposit match bonuses, cashback, and free spins. This means you can often claim a bonus value that you choose (e.g. from 10.00 to 100.00). Each bonus will have its own terms and conditions, such as permitted games, maximum bets, and max payouts.

How to withdraw the bonus after using a bonus code?

Bonus codes activate bonus rewards that usually offer you the chance to play bonus rounds and transfer winnings to your real money casino account (or withdraw). Typically, a bonus offer will have a wagering requirement (typically x30 to x40 on you bonus and/or deposit); to meet this term and condition, you must play your bonus funds through this value of bets, to release your winnings. 

How to know if a bonus code is still valid?

Bonus codes usually have specific expiry dates, so it’s always worth checking that the bonus code offer you want to claim, is still open. At Yggdrasil Casino, our expert reviewers, always ensure that our bonus codes and bonus offers are still valid. 

Can I use a bonus code on mobile?

Yes. Almost all bonus codes can be claimed when using your mobile phone. You can also play the bonus rounds while you’re on-the-go via phone. Sometimes, you might even find exclusive mobile-only bonus codes.

How to use a bonus code?
To use a bonus code, you need to copy and paste the bonus code into the bonus box at your selected casino. Usually, the bonus code needs entering either on the sign-up form, at the cashier, or via your personal bonus tab.


If you’re looking for the best bonus codes and bonus offers – we’ve got you covered at Yggdrasil Casino. Our casino reviews feature the latest bonus codes (if needed) to instantly unlock rewards at each site. And if you’re seeking special bonus codes that you can’t find anywhere else – you’ll also find some exclusive-to-us casino bonus codes!