The 21 Casino welcome package adds up to €500 across your first three deposits, and every bonus amount carries a 40x wagering requirement. The first deposit gets a 100% match up to €100, and the code you enter decides whether the bonus arrives at all. A page about the brand, 21casino-login.com/login//login/, sits alongside the cashier where you enter those codes, so keep the code and the amount you are depositing in front of you before you confirm anything.
Wagering means this: the bonus money is not yours to withdraw until you have staked a set multiple of it on games. At 40x, a €100 bonus needs €4,000 in stakes before it converts to withdrawable cash. Whether that multiple applies to the bonus alone or to deposit plus bonus is set in the bonus terms, and the difference matters. If it is deposit plus bonus, a €50 deposit with a €50 bonus means €4,000 in stakes; if it is bonus only, the same bonus means €2,000. Read that line first.
What stands out in the 21 Casino welcome offer
Three deposit bonuses instead of one is the feature that shapes the whole offer. The first deposit takes a 100% match up to €100 with the code WELCOME1. The second takes a 50% match up to €150 with WELCOME2, and the third a 25% match up to €250 with WELCOME3. The percentages fall as the caps rise, so the largest single bonus (€250 on deposit three) needs a €1,000 deposit to reach its cap, while the first bonus caps out at a €100 deposit.
Our preference is the first deposit, and the reason is arithmetic. A €100 deposit with WELCOME1 gives the full €100 bonus and a €4,000 wagering target at 40x; the same €100 on deposit three gives a €25 bonus, because 25% of €100 is €25, and a €1,000 target. If you plan to clear the requirement at all, the first step gives you the most bonus money for the smallest stake.
21 Casino also runs other promotions beyond the welcome package. The operator states a 10% weekly cashback, and it lists a VIP programme with levels and a live casino section among its regular features. The bonus terms govern all of these, and the cashback conditions are worth reading separately from the welcome terms because they are a different kind of offer: cashback returns part of what you staked, while a deposit bonus adds money you must wager.
The restrictions sit in the terms rather than on the banner. Bonus funds are separate from real money, the wagering requirement applies before withdrawal, and the terms decide which games count toward it and how much each contributes. Check those before you deposit, not after.
Key facts on the bonus and its 40x requirement
- Welcome package: three deposit bonuses totalling up to €500, split as 100% up to €100, 50% up to €150 and 25% up to €250.
- Bonus codes: WELCOME1, WELCOME2 and WELCOME3, one for each deposit step.
- Wagering requirement: 40x, with the bonus terms deciding whether the bonus alone or deposit plus bonus is the base.
- Other promotions: a 10% weekly cashback and a VIP programme with levels, each under its own conditions.
- Licence and operator: 21 Casino is operated by White Star Ltd under a Curaçao licence, which is not from the reader’s country.
A worked example with a €50 first deposit
Take a hypothetical €50 first deposit with WELCOME1, an amount chosen for this example. The 100% match gives a €50 bonus, so you hold €100 to play with: your €50 in real money and €50 in bonus funds.
At 40x, the wagering target depends on the base the terms set:
- If only the bonus must be wagered: €50 × 40 = €2,000 in total stakes.
- If deposit plus bonus must be wagered: €100 × 40 = €4,000 in total stakes.
That is the whole difference in one line, and it doubles the work. The same €50 deposit produces a target of €2,000 or €4,000 depending on a clause most players skim past.
Game weighting changes the practical side of it. If the terms count a game at less than full weight, stakes on it move the target more slowly, so the effective requirement rises. The bonus terms list the contributions; the cashier shows your remaining target as you play. Clearing €4,000 in stakes takes time at any stake size, and the bonus has an expiry date in the terms, so check how long you have before you start.
Strengths and weaknesses of the welcome package
What works in the offer’s favour:
- A 100% match on the first deposit up to €100 is a straightforward opening step with a modest deposit needed to reach the cap.
- Three separate bonuses give a player who deposits more than once a second and third chance to claim, with caps of €150 and €250.
- Codes are published for each step, so you know which code belongs to which deposit.
- A 10% weekly cashback and a VIP programme with levels add regular promotions beyond the welcome package.
What weighs against it:
- The 40x wagering requirement applies to every bonus in the package, and the base is not fixed in the offer itself: the terms decide whether it is the bonus alone or deposit plus bonus.
- The later steps pay smaller percentages, so a €1,000 deposit on step three returns a €250 bonus, a quarter of what you put in.
- Bonus funds stay separate from real money until the requirement is met, so the bonus is not withdrawable cash on arrival.
- Game contributions and the expiry date sit in the terms, and a game counted at reduced weight stretches the target.
The balance is honest: the package is generous in structure and demanding in conditions. A player who reads the terms before depositing knows exactly what the €500 headline costs in stakes.
What to read in the bonus terms before you deposit
- The wagering base: whether the 40x applies to the bonus alone or to deposit plus bonus.
- The expiry: how many days you have to clear the requirement after claiming.
- Game weighting: which games count in full and which count at a reduced rate.
- The maximum bet allowed while a bonus is active, if the terms set one.
- Whether a withdrawal request cancels an unfinished bonus, and what happens to the bonus funds if it does.
- The cashback conditions, which are separate from the welcome terms and set their own rules.
If a clause is unclear, ask customer support before you deposit and keep the answer. The cashier shows codes and remaining wagering, and the terms are the document that decides any dispute.
Who the 21 Casino welcome bonus suits, and the verdict
The offer suits a player who deposits more than once and wants a bonus on each step, and who is comfortable clearing a 40x requirement over the time the terms allow. It also suits a player who reads conditions first: the codes, the caps and the wagering base are all stated, so the decision can be made on facts.
It suits less a player who wants a single large first bonus, since the first cap is €100, or one who expects bonus money to be withdrawable straight away. A player who deposits once and stops leaves the second and third steps unused.
Our verdict for this angle: the package is worth claiming on the first step, where a €100 deposit earns the full €100 bonus, and the later steps are worth it only if you plan to play through the requirement anyway. The 40x condition is the number to weigh, and the base clause decides whether it doubles. 21 Casino is operated by White Star Ltd under a Curaçao licence.
Gambling is for adults only (18+). If gambling is causing you problems, free and confidential support services in your reader’s country can help; look for the national helpline or counselling service. 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.
This text draws on what the operator states about its bonuses and terms, plus the public reviews and player reports summarised in our source material; we made no deposit or withdrawal ourselves, and it was last updated in November 2026. Where this text and the operator’s terms differ, the terms apply.