Every brand on our list has a code. Most of them are the same three letters. The code is not the reason to pick an operator. It is a small detail at sign-up that decides whether the match you thought you were getting actually lands. Skip it and you deposited without it.
| Operator | Promo code | Welcome offer | Open |
|---|---|---|---|
 Stake | MAXBET | Deposit $1,500, get $3,000 | Promo code Claim |
 Roobet | Auto-applied at registration | $100,000 weekly raffle | Bonuses Claim |
 BC.Game | maxbets | Welcome package up to $20,000 | Promo code Claim |
 Stake.us | NEWBONUS | $55 Stake Cash + 550K Gold Coins | Promo code Claim |
 Cloudbet | NEWBONUS | Welcome bonus up to $2,500 | Promo code Claim |
 Razed | Auto-applied at registration | $300 cash match bonus | Bonuses Claim |
 Betplay | MAX | 100% up to 10,000 USDT | Promo code Claim |
 Jack | MAXBET | 100% no-risk sports bonus | Promo code Claim |
 Gamdom | newbonus | 60% cashback | Promo code Claim |
 Duel | MAXBET | 100% up to $1,000 first deposit match | Promo code Claim |
 Rainbet | MAXBET | $2,100 welcome bonus | Promo code Claim |
 Betfury | CASINOMAX | Up to 590% bonus and 225 free spins | Promo code Claim |
 FortuneJack | MAXBONUS | Welcome package up to $50,000 | Promo code Claim |
 Rollbit | TOPBONUS | 70% rakeback | Promo code Claim |
 1xBet | NEWBONUS | $130 first-deposit bonus | Promo code Claim |
 Bitkingz | NEWBONUS | 150% up to €150 + 150 free spins | Promo code Claim |
 1win | NEWBONUS | Max Free Bet up to $500 | Promo code Claim |
 Shuffle | MAXBET | Deposit $1,000, get $1,000 | Promo code Claim |
 Housebets | MAX | 100% up to $1,000 | Promo code Claim |
 Megapari | NEWBONUS | Welcome package: $1,500 + 150 free spins | Promo code Claim |
 Phenom Poker | NEWBONUS | USDT 3,000 bonus | Promo code Claim |
 ZunaBet | MAXBONUS | 250% deposit bonus | Promo code Claim |
 betski | MAXBONUS | Bet $100, get $100 | Promo code Claim |
 Degencity | NEWBONUS | 10% cashback for 7 days | Promo code Claim |
 Legendz | NEWBONUS | Up to 103SC + 20,500GC | Promo code Claim |
At most crypto casinos the welcome bonus is not automatic. The landing page will happily take your first deposit without a code, and nothing in the cashier will tell you the match was conditional on a string you never typed. Enter the code at registration and the matched deposit, spins, or rakeback credits land as advertised. Miss it and you are playing with your own money, which is a silent, expensive choice.
Each brand on our list runs its own code at registration. Most are short alphanumerics designed for affiliate tracking, and most also activate the public welcome offer. A handful apply the bonus automatically with no code field. Match the operator's own landing page exactly. If a third-party site is pushing a different code, check it before you paste it. Invalid codes fail silently most of the time.
A matched deposit at 40x rollover on 96 percent RTP slots has an expected clearing cost of roughly (deposit + bonus) x 40 x (1 - 0.96) = (deposit + bonus) x 1.6. On a $200 deposit with a $200 match, that is $640 of expected value handed back to the house before you can withdraw. The headline number is gross. The net is usually negative. Our bonus calculator runs the same maths for any operator in the list.
Sports offers at 1x rollover beat casino matches at 40x on nearly every metric. See sportsbook vs casino bonuses for the side-by-side, and our Bonus Value Index for the current net-expected-value across the cohort. None of the casino matches in our tracked set are net positive in expectation. A handful of sportsbook offers are.
There is no single best code. Every operator on our list publishes its own at registration, and the codes activate different welcome structures. Match the operator's own landing page exactly. A few sites apply welcome offers automatically with no code field at all.
Yes and no. The code tells the operator which affiliate track credits the sign-up, and at most sites it also activates the public welcome bonus. Skip the code and you might deposit without the match. The landing page will not warn you.
One per account, entered at registration. Swapping codes after your first deposit will not retroactively apply a different bonus. If you get the code wrong and have already deposited, support can sometimes fix it. Often they cannot.
Welcome codes are usually tied to the operator's affiliate deal, not a calendar date, which means they are stable for months at a time. We retest every quarter and update this page with any changes.
No. Each code is the one the operator prints on its own landing page. They exist for affiliate tracking and for activating the public welcome offer. If you see a code on a third-party site that the operator does not publish itself, ignore it.
Stake's 200 percent up to $2,000 is the largest headline number, activated with MAXBET. Whether that is the best value is a different question. Read the rollover before you deposit.
