100% up to €500 + 200 Free Spins at Monsterwin Casino
- Bonus
- 100%
- Max bonus
- €500
- Free spins
- 200
- Min deposit
- €20
- Wagering
- 35x(d+b)
- Max bet
- €5
Wagering applies to deposit plus bonus.
Casino profile
Player complaints and reviews about Monsterwin Casino, plus its operator (Altair Affiliates), licences and welcome offers.

On the Monsterwin Casino site for Portugal, we found 7 tournaments.
Monsterwin Casino belongs to the Altair Affiliates affiliate programme. The site launched in 2025. It holds a licence from Costa Rica Gambling. The interface is available in 14 languages, including English, German, Finnish, Portuguese. 15 account currencies are listed, including Euros, US dollars, Australian dollars, Canadian dollars. We list 9 welcome offers.
This brand is listed in 18 markets. Pick one to see what it offers there.
9 offers
Offers are recorded exactly as the operator published them, including the currency and the wagering base. Terms change without notice – always check them on the casino's own site.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
Wagering applies to deposit plus bonus.
7 entries
Read from the casino's own pages. Terms change without notice – check them on the operator's site.
Urheilu MESTARIT
Urheilu Kuukausittainen Urus-playoff
Palkintopotti: €
6 records
6 of the 210 records about Monsterwin Casino come from players who state they are in Portugal. The figures below are theirs alone; the casino page covers every market.
Total complaints
4
Fewer than 5 with a known outcome
Total reviews
2
Across all review sites
Player rating
–
Fewer than 5 ratings
Share of all records
2.9%
of 210 about Monsterwin Casino
Players in Portugal have filed 4 complaints and written 2 reviews about Monsterwin Casino. That is 2.9% of the 210 records about it from every market. Complaints make up 67% of their records, against 53% across all markets.
In the last 12 months: no complaints and 1 review.
A player counts as being in Portugal when the source states the country. Shares and averages are shown only with at least 5 records behind them.
Ask the AI analyst about Monsterwin Casino in Portugal, or compare the market with another one.
| Figure | Portugal | All markets |
|---|---|---|
| Complaints among all records | 67% | 53% |
Block 01
Complaints filed per year or month, across every complaint site.
| Period | Value |
|---|---|
| 2025 | 4 |
Block 02
Player reviews posted per year or month, across every review site.
| Period | Value |
|---|---|
| 2025 | 2 |
Block 03
The independent sites the complaints and reviews were collected from.
| Site | Complaints | Reviews | Site’s score |
|---|---|---|---|
| Casino Guru | 4 | 1 | – |
| Trustpilot | – | 1 | – |
Block 04
The newest records about Monsterwin Casino as facts: our label, the status or the stars, the player’s country and the site. The text stays on that site – follow the link to read it.
1.0 of 5 stars
Portugal · Trustpilot
Withdrawal delay
ResolvedPortugal · Casino Guru
Withdrawal delay
ResolvedPortugal · Casino Guru
Withdrawal delay
ResolvedPortugal · Casino Guru
1.0 of 5 stars
Portugal · Casino Guru
0 player records in the last 30 days. Explore them in Player Intelligence PRO
Every complaint and review behind these numbers – with filters, comparison, GEO, platforms, operators and monitoring – in Player Intelligence.
Get All DataYes. The Monsterwin Casino site for Portugal lists 7 tournaments.
6 of the 210 complaints and reviews about Monsterwin Casino come from players in Portugal. Across all its markets, 112 complaints have a known outcome, and 95% of them were resolved.
Monsterwin Casino is operated by Lumina Holdings Limitada and runs under the Altair Affiliates affiliate programme.
Yes. Monsterwin Casino holds a licence from Costa Rica Gambling.
4 pages
Pages of the casino's own site, recorded by our crawler. Every screenshot below was taken from the same market, because what a casino shows – the offers, the payment methods, the lobby – often differs from one country to the next.
One capture per page, all from the market named above. A visitor in another country may be shown different offers, different payment methods and a different lobby.