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Behind the dozens of sweepstakes casino brands are a handful of operating groups. Sister sites usually share a game library, a payments team and similar rules, but each brand has its own account and its own welcome bonus. That means you can claim the sign-up offer at every sister site you are eligible for.
B2 group: McLuck, Jackpota, MegaBonanza, SpinBlitz
The group running B-Two Operations and B2Services OÜ is one of the biggest operators in sweepstakes gaming.
- McLuck: the flagship, with native apps and live dealer games
- Jackpota: built around eight progressive jackpot pools
- MegaBonanza: focused on new slot releases, with a low redemption minimum
- SpinBlitz: slots plus a Social Live Casino
- Hello Millions is also part of the family
Their welcome offers are similar (7,500 GC + 2.5 SC is typical), so the difference comes down to game lobby and promotions.
MW Services: WOW Vegas and Rolla
WOW Vegas launched in 2021 and Rolla followed in 2025. Both are bonus-heavy, with hourly races and big no-purchase offers. Rolla currently gives one of the largest free welcome packages on the market.
VGW: Chumba Casino and family
Virtual Gaming Worlds runs Chumba Casino (2012) and Global Poker (2016). It also ran LuckyLand Slots, which shut down in North America in September 2026. VGW launched a new brand, LuckyLand Casino, in late 2025, and has announced another, United Slots.
Blazesoft: Zula, Sportzino and Fortune Wins
Zula Casino, Sportzino and Fortune Wins (formerly Fortune Coins) are all part of the Blazesoft group. Sportzino adds a sweepstakes sportsbook to the mix.
Independent brands
These casinos do not have sister sites on our list:
- Stake.us: the US arm of the global Stake brand
- Crown Coins Casino: run by Sunflower Limited
- Pulsz: run by Yellow Social Interactive, which also runs Pulsz Bingo
- High 5 Casino: built by slot studio High 5 Games
Why sister sites matter
- Bonuses stack: each brand gives a separate welcome offer.
- Rules are similar: if you like one brand's redemption process, its sisters usually work the same way.
- Bans hit together: when a group leaves a state, all its brands usually leave at the same time.
- CRCrown Coins Casino100,000 CC + 2 SC FreeClaim
- WOWOW Vegas250,000 WC + 5 SC FreeClaim
- RORolla Casino500,000 GC + 10 SC FreeClaim
- MYMyPrize.us50,000 GC + 5 SC FreeClaim
- MCMcLuck7,500 GC + 2.5 SC FreeClaim
- HIHigh 5 Casino400 GC + 3 SC + 300 DiamondsClaim
Frequently asked questions
Can I have accounts at sister sites?
Yes. Sister sites are separate brands with separate accounts, so you can sign up and claim the welcome bonus at each one. You can only have one account per brand.
What are Chumba Casino sister sites?
Chumba Casino is run by VGW, which also runs Global Poker and the newer LuckyLand Casino. LuckyLand Slots, another VGW brand, closed in North America in September 2026.
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