Most Popular Online Casinos in June

GambleZen Casino

Discover Nature’s Hidden Treasures with €3,625 in Your Backpack

Welcome offer:

200% Bonus up to

€500

+ 100 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

GambleZen Casino

Discover Nature’s Hidden Treasures with €3,625 in Your Backpack

  • 200% bonus up to €500 + 100 Free Spins with your first deposit (New customers)
  • GambleZen Casino offers exclusive bonuses for CasinoBonusCenter visitors
  • Bonus available on your second and third deposit
  • Romanian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at GambleZen Casino
  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • Popularity: This offer has been claimed by 75 visitors so far this month.
  • 86 Game Providers: Platin Gaming, Ezugi, Onlyplay, OctoPlay, Fugaso, Pragmatic Play, LiveGames, XProGaming, KA Gaming, Evolution Gaming, Betsolutions, Playtech, and others.

Gratorama

Grab the €200 bonus and join us for the ride!

Welcome offer:

100% Bonus up to

€200

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Gratorama

Grab the €200 bonus and join us for the ride!

  • 100% bonus up to €200 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Romanian players are accepted
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Tested and certified by Casino Bonus Center · Rating: 3.2/5
  • Popularity: This offer has been claimed by 59 visitors so far this month.
  • Game Providers: iSoftBet, SpinOro, Anakatech, and Leander Games

Slots Capital

Get €100 Free with Your First €25 Deposit!

Sign-up Bonus:

15

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Explore bonuses at Slots Capital

Slots Capital

Get €100 Free with Your First €25 Deposit!

  • 15 Free Spins · No deposit required
  • Bonus Code: CAPITAL15SPINS
  • 400% bonus up to €100 with your first deposit (New customers)
  • Bonus Code: FIRST100FREE
  • Bonus available on your second and third deposit
  • Romanian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required · Optional game downloads available
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Tested and certified by Casino Bonus Center · Rating: 2.9/5
  • Popularity: This offer has been claimed by 54 visitors so far this month.
  • Game Providers: DragonGaming, Saucify, Arrows Edge, Qora Games, and Rival

WinMaChance

Welcome Bonus Package Up to €2,500 – Start Winning Today!

Sign-up Bonus:

10

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

WinMaChance

Welcome Bonus Package Up to €2,500 – Start Winning Today!

  • 10 Free Spins · No deposit required
  • 150% bonus up to €500 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Romanian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at WinMaChance
  • Rating: 3.1/5
  • Popularity: This offer has been claimed by 47 visitors so far this month.
  • 42 Game Providers: Fugaso, Evolution Gaming, Rival, Kalamba Games, Playson, Reevo, Gaming Corps, Pragmatic Play, Triple Cherry, Belatra Games, Caleta, StakeLogic, and others.

Wolfy Casino

Enjoy up to €1,000 in Wager-Free Bonuses at Signup!

Sign-up Bonus:

20

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Wolfy Casino

Enjoy up to €1,000 in Wager-Free Bonuses at Signup!

  • 20 Free Spins · No deposit required
  • Bonus Code: CENTER20
  • 100% bonus up to €200 with your first deposit (New customers)
  • Bonus Code: WELCOME
  • Wolfy Casino offers exclusive bonuses for CasinoBonusCenter visitors
  • Bonus available on your second and third deposit
  • Romanian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Wolfy Casino
  • Rating: 3.8/5
  • Popularity: This offer has been claimed by 44 visitors so far this month.
  • 108 Game Providers: Play n GO, Gamomat, Atomic Slot Lab, Galaxsys, Nemesis, iSoftBet, Casimi, Blueprint Gaming, Amigo, BGaming, Thunderkick, Oryx Gaming, and others.

Desert Nights Casino

An Oasis of Online Gaming – Get €100 in Bonus for Just a €25 Deposit!

Welcome offer:

400% Bonus up to

€100

+ 15 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Explore bonuses at Desert Nights Casino

Desert Nights Casino

An Oasis of Online Gaming – Get €100 in Bonus for Just a €25 Deposit!

  • 400% bonus up to €100 + 15 Free Spins with your first deposit (New customers)
  • Romanian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required · Optional game downloads available
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Tested and certified by Casino Bonus Center · Rating: 2.9/5
  • Popularity: This offer has been claimed by 43 visitors so far this month.
  • Game Providers: Rival, Arrows Edge, Qora Games, DragonGaming, and Saucify

GratoWin

50 free spins plus a €3,000 welcome bonus! Exclusive VIP programme

Sign-up Bonus:

50

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

GratoWin

50 free spins plus a €3,000 welcome bonus! Exclusive VIP programme

  • 50 Free Spins · No deposit required
  • 100% bonus up to €1,000 with your first deposit (New customers)
  • Bonus Code: GRATO100
  • Bonus available on your second and third deposit
  • Romanian players are accepted
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at GratoWin
  • Tested and certified by Casino Bonus Center · Rating: 4/5
  • Popularity: This offer has been claimed by 34 visitors so far this month.
  • 24 Game Providers: iSoftBet, NetEnt, Pragmatic Play, SpinOro, Novomatic, Amarix, Red Tiger, PG Soft, Leander Games, KA Gaming, TaDa Gaming, Anakatech, and others.

Top 10 Online Casino Bonuses in Romania (June 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Romania? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for June 2025. 888Casino, NetBet, and Rollino lead our rankings, standing out for their extensive selection of high-paying slots, immersive live dealer tables, exclusive bonuses, and lightning-fast payouts.

Browse our expert-ranked list below and claim your exclusive welcome bonuses today!

Online Casinos RomaniaWelcome Bonus

Obține 25 lei bonus fără depunere

Bonus of 100% up to 2,000 RON

€200 bonus + 10 free spins on Vegas

Bonus of 100% up to 1,500 RON + 200 Free Spins

Join the circus of winners!

Bonus of 200% up to €3,000 + 100 Free Spins

Casino Fun, Beach Vibes, Gangster Style

Bonus of 225% up to €1,000 + 100 Free Spins

Exclusive Bonus: 25 Free Spins

Bonus of 200% up to €500 + 100 Free Spins

Up to 5 BTC in bonuses!

Bonus of 180% up to $20,000

50 free spins: No deposit required

Bonus of 100% up to €1,000

Up to €250 plus 100 free spins!

Bonus of 100% up to €250 + 100 Free Spins

$31 free plus a giant bonus!

Bonus of 200% up to $2,000 + 100 Free Spins

Sporstsbook | Casino | Live Casino

Bonus of 100% up to €200

* Terms & Conditions Apply ·  Play responsibly

With nearly two decades of experience in the industry, CasinoBonusCenter.com has been analyzing and comparing online casinos since 2006. Our dedicated team of professionals has handpicked the most trusted casinos for Romanian players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.