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 | NEWBONUS | 200% up to $2,000 + 50 free spins | Promo code Claim |
 Roobet | Auto-applied at registration | $100,000 weekly raffle + cash drops | Bonuses Claim |
 BC.Game | NEWBONUS | Up to 360% welcome package across four deposits | Promo code Claim |
 Razed | Auto-applied at registration | 100% up to $500 + free spins | Bonuses Claim |
 Betplay | NEWBONUS | 200% up to 0.02 BTC + 100 free spins | Promo code Claim |
 Gamdom | NEWBONUS | 15% rakeback + weekly reloads and race rewards | Promo code Claim |
 Duel | NEWBONUS | 100% up to $1,000 first deposit match | Promo code Claim |
 Rainbet | NEWBONUS | Daily rakeback + level-up cash drops | 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.
Seven of the eight operators we track accept NEWBONUS at registration. Roobet uses MAXBONUS. BC.Game and Gamdom apply welcome offers automatically with no code field. If a third-party site is pushing a different code, check it against the operator's own landing page 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 eight operators' casino matches are net positive in expectation. One sportsbook offer is.
There is no single best code. Every operator on our list has its own, and they unlock different welcome structures. NEWBONUS applies at seven of our eight operators. Roobet uses MAXBONUS. Gamdom and BC.Game apply welcome offers automatically with no code entry needed.
Yes and no. The code tells the operator which affiliate track credits the sign-up, and at most sites it also unlocks 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. NEWBONUS is the default public welcome code at seven of the eight operators we review. It is not a loophole, not a jailbreak, and not an exploit. It is the code the operator prints on their own landing page.
Stake's 200 percent up to $2,000 is the largest headline number, unlocked with NEWBONUS. Whether that is the best value is a different question. Read the rollover before you deposit.
