Curacao-licensed Rhino Entertainment casino brand with a below-average safety score and documented account-lockdown and uncredited-deposit complaints
Visit Big Boost →Pros
- Genuine Curacao GCB licence under a named group (White Star B.V./Rhino Entertainment)
- Some players report satisfied experiences with immediate payouts
Cons
- Below-average 6.2 Casino.guru Safety Index; explicitly not recommended for fairness-focused players
- Low 3.8 Trustpilot score with heavily negative sentiment
- Documented complaints of accounts locked immediately after deposit with confiscation
- Deposits not credited with 14-28 day unresolved refund delays
- Deliberately delayed withdrawals with copy-paste support responses
- No locally regulated welcome bonus - operates offshore/unlicensed in Norway's state-monopoly market
Our verdict
Big Boost holds a genuine Curacao licence via White Star B.V., part of the multi-brand Rhino Entertainment Group, but Casino.guru gives it a below-average 6.2 Safety Index and states directly it isn't a good fit for players who prioritize fairness. We are naming the documented complaint pattern directly rather than softening it: accounts reportedly locked down immediately after a deposit with no explanation, confiscating the funds before the player could even play; deposits never credited with refund promises delayed weeks without resolution; and withdrawals deliberately delayed, with support giving the same scripted 24-48 hour response rather than resolving the issue. Some players do report satisfied experiences with fast payouts, so this isn't universally bad, but the specificity and repetition of the negative complaints is serious. There is no locally regulated welcome bonus in Norway, where Big Boost operates offshore and unlicensed. Given the below-average safety score and the documented pattern of account lockdowns and delayed payouts, we'd recommend real caution with Big Boost.
How we rated it
Sportsbook & casino (36%)5.5
A casino platform under the multi-brand Rhino Entertainment Group; some players report satisfied experiences with immediate payouts.
Bonuses & value (18%)3
No locally regulated welcome bonus in Norway - a state monopoly (Norsk Tipping/Norsk Rikstoto); Big Boost operates there offshore and unlicensed.
Trust & licensing (27%)2
Holds a genuine Curacao GCB licence via a named group (White Star B.V./Rhino Entertainment), but Casino.guru gives a below-average 6.2 Safety Index and explicitly states it is not a good fit for fairness-focused players.
Support & reliability (18%)2
Low 3.8 Trustpilot score. Documented complaints: accounts locked immediately after deposit with no explanation, deposits not credited with 14-28 day unresolved refund promises, and deliberately delayed withdrawals with copy-paste support responses.
Welcome bonus
Quick facts
| Owner | White Star B.V. (Curacao), a Rhino Entertainment Ltd subsidiary; also operates Casino Days, Buusti Kasino, Big Baazi, and Lucky Spins |
| Licence | Curacao Gaming Control Board licence OGL/2023/159/0076 |
| Casino.guru | Below-average 6.2 Safety Index; explicitly not recommended for fairness-focused players; 6,974 black points across related group casinos |
| Trustpilot | Low 3.8 score, heavily negative sentiment |
| Serious documented complaints | Accounts locked immediately after deposit with no explanation, confiscating the deposit; deposits not credited with 14-28 day unresolved refund delays; deliberately delayed withdrawals with copy-paste 24-48 hour responses |
| Norway | No locally regulated welcome bonus - Norway is a state monopoly (Norsk Tipping/Norsk Rikstoto); operates offshore/unlicensed there |
Where Big Boost is licensed
Big Boost appears on the official register in 1 country — 0 for sports betting and 1 for casino. We only feature it in markets where it holds a licence to accept you.
Europe (1)
About Big Boost
Big Boost is a casino brand owned and operated by White Star B.V. (Curacao, registration no. 153150), a subsidiary of Rhino Entertainment Ltd - a multi-brand operator founded in 2020 that also runs Casino Days, Buusti Kasino, Big Baazi, and Lucky Spins - holding a genuine Curacao Gaming Control Board licence (OGL/2023/159/0076). Casino.guru gives Big Boost a below-average 6.2 Safety Index and states directly that it is not a good fit for players seeking a casino committed to fairness. We are not going to soften the documented complaint pattern: Trustpilot reviewers describe accounts being locked down immediately after a deposit with no explanation given, confiscating the deposit without allowing the player to even play; deposits that were never credited to the account, with refund promises delayed 14 to 28 days without resolution; and deliberately delayed withdrawals, with the support chat team repeating the same 24-48 hour timeframe via copy-pasted responses rather than resolving the issue. Some players do report satisfied experiences with immediate payouts, making this a genuinely mixed picture, though the specific and repeated nature of the negative complaints is serious. In Norway specifically, no locally regulated welcome bonus exists since Norway's gambling market is a state monopoly, and Big Boost operates there offshore and unlicensed.
