What does the 21 Casino welcome bonus actually put in your account? It is a package of four deposit bonuses that together add up to €1,200, plus 200 free spins, and each part comes with a 40x wagering requirement on the bonus amount. The details sit on the 21casino-app.com/app//app/ page about the brand, and they matter more than the headline figure.
21 Casino is run by White Star BV and holds a Curaçao licence, which is not from the reader’s country. The welcome package is built for players making their first four deposits, and the bonus code you enter decides which part of it you receive.
What the welcome package contains
- First deposit: a 100% bonus up to €300, with the code WELCOME1.
- Second deposit: a 50% bonus up to €400.
- Third deposit: a 25% bonus up to €500.
- Fourth deposit: 200 free spins, with the code SPIN200.
- Operator: White Star BV, under a Curaçao licence.
The percentages drop as you go, so the first deposit carries the most bonus money for the same amount of your own. The free spins arrive on the fourth deposit rather than the first, which is worth planning around if spins are what you came for.
How to claim the bonus step by step
- Register an account with your correct personal details, since withdrawals later depend on them matching your documents.
- Open the cashier and choose your payment method.
- Make your first deposit of at least €10 and enter the code WELCOME1 in the bonus field.
- Read the bonus terms before you deposit, particularly the 40x wagering requirement and the time limit for clearing it.
- For the second and third deposits, deposit again and enter the code shown in the promotion terms for each one.
- On the fourth deposit, use SPIN200 to receive the 200 free spins.
A hypothetical €100 first deposit with the code WELCOME1 gives a €100 bonus, so the total to wager at 40x is €4,000. Whether that €4,000 is calculated on the bonus alone or on deposit plus bonus is decided by the bonus terms, not by the headline percentage.
Where the 40x requirement catches players out
The bonus terms decide whether only the bonus or deposit plus bonus has to be wagered, and that single line changes the size of the task considerably. If a €100 deposit plus a €100 bonus both count, the same 40x becomes €8,000 rather than €4,000. Read that clause before you enter a code.
- Not every game counts the same towards wagering. Check the contribution table in the terms before you spend hours on one game.
- Each bonus usually has a deadline. If you clear it slowly, the bonus and any winnings from it may be removed when the time runs out.
- The maximum bet while a bonus is active is capped in the terms. A single larger bet can put the bonus at risk.
- Withdrawing before you finish the wagering requirement typically cancels the bonus and its winnings.
If you plan to play mostly one game, the contribution table decides whether the welcome offer is worth taking at all. A game that contributes a small share stretches a €4,000 requirement into far more play than the headline suggests.
Gambling is for adults only, 18+. If gambling stops being fun, free and confidential support services in the reader’s country can help. Play only with money you can afford to lose, and treat a bonus as extra playtime, never as a reason to deposit more than you planned.
Common questions about the bonus code and free spins
Do I need a bonus code for every deposit?
The first deposit uses WELCOME1 and the fourth uses SPIN200. The promotion terms list the codes for the second and third deposits, and a deposit made without the right code will not trigger that part of the package.
What happens if I withdraw before clearing the wagering?
The bonus and any winnings generated from it are normally removed when you withdraw early. Finish the 40x requirement first if you want to keep what the bonus produced.
Are there other promotions besides the welcome package?
21 Casino lists further promotions alongside the welcome offer, and the terms for each one set their own conditions. Check the promotion page for what is running before you deposit.
What stands out in the 21 Casino welcome offer
The four-deposit structure spreads the bonus across your first weeks rather than loading everything onto deposit one. That suits players who deposit regularly and want something extra each time. The €1,200 total is a generous ceiling, and the 200 free spins on the fourth deposit give the package a finish beyond bonus cash.
My preference is the first deposit: 100% up to €300 with WELCOME1 is the simplest part of the package, and the 40x requirement on a €300 bonus is a clear, fixed target. Later tiers give smaller percentages for larger deposits, so the bonus money per euro of your own drops as you go.
The 40x requirement is the part to weigh. On a €300 bonus that means €12,000 to wager if the bonus alone counts, and more if deposit plus bonus counts. That is a serious amount of play, and the game contribution table decides how long it takes.
Licence, operator and what to check before you deposit
21 Casino is operated by White Star BV under a Curaçao licence. Before you deposit, open the bonus terms and find the wagering base, the game contribution table, the maximum bet while a bonus is active and the deadline for clearing it. Then check the cashier for the minimum deposit and the payment methods available to you.
For this angle, the verdict is straightforward: the welcome package is worth taking if you read the 40x requirement first and know which base it applies to. The four-tier structure rewards regular depositors, and the free spins add value at the end. The requirement itself is the catch, and it is a large one on the bigger tiers.
This text draws on what the operator states about its bonus package and terms, and it was last updated in November 2026. We made no deposit or withdrawal ourselves. Where this text and the operator’s terms differ, the terms apply.