Welcome to Winningcasinobonus.com
WinningCasinoBonus.com was founded by online casino enthusiasts. Our team consists solely of online casino players who play themselves and look for the best casino bonuses: High Roller Bonuses, Cashback Bonuses, or Welcome Bonuses, we find them all. We check online casinos on a number of criteria such as proof of fair play, deposit and withdrawal options, payout speed, service and game selection. If a casino does not meet our criteria, we won’t list it. This way you can be sure that the casinos listed on this site are professional and trustworthy.
Popular online casinos
| Pos | Casino | Bonus | Wager | Rating | Play now |
| 1 |  Vera&John |
100% parachute BONUS + 30 free spins. T&C apply. | 40x (bonus) |
8.3
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| 2 | 21 Casino |
121% up to €300 + 21 FREE Spins (no deposit). UK and Sweden excluded | 35x (deposit + bonus) |
8.4
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| 3 | Videoslots |
100% up to €200 + 11 Welcome Spins. T&C apply. | 35x (bonus) |
8.6
|
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| 4 | King Billy |
151% Deposit BONUS up to €300 + 51 FREE spins | 30x (bonus) |
8.8
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| 5 | Casumo |
BONUS up to €1200 + 200 free spins | 30x (deposit + bonus) |
8.3
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| 6 | Dunder |
€100 BONUS + 120 FREE spins | 30x (deposit + bonus) |
8.2
|
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| 7 | Inter |
Up to 900 euro + 110 free spins. T&C apply. | 40x (bonus) |
8.5
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| 8 | Rizk |
200% up to €100 + 1 spin on Wheel of Rizk | 25x (deposit + bonus) |
8.1
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| 9 | Slotty Vegas |
100% up to €150 + 50 FREE spins on Starburst | 40x (bonus) |
7.9
|
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| 10 | Mr.Green |
€ 350 + 20 spins + 100 spins | 35x (bonus) |
8
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Latest news
Win a real diamond at Unibet casino!
Everybody knows Twin Spin, one of the evergreen slots at almost any online casino. And now Unibet exclusively brings you Twin Spin Deluxe and to celebrate the launch of this thrilling game the casino has decided to get you involved with guaranteed free spins, a £/€50K tournament and a chance to win a 100% genuine 2ct diamond!
Mr. Green’s BIG Rock ‘N Roulette promotion
This September promotion runs until October 1st but not all days are promotion days! You can enjoy your games of roulette and on top of this, you will be rewarded with free spins for the simple fact of playing at this roulette table. So you get an extra bonus for playing the roulette you are already playing!
Get your ewallet today and enjoy the perks
Ewallets (or online wallets) are still gaining in popularity. This is for good reasons because there are quite some nice advantages in having one. You have probably heard of Neteller, Skrill and Paypal and if you don't have one yet, now could be a good moment to change this.
Fancy a £5K VIP holiday package to the Singapore Grand Prix?
At Casinoroom they know what prizes to give away to their players. The Singapore Grand Prix and Casino Room have three incredible holiday packages worth a whopping £5,000 each for 3 lucky players. But that is not all, they will also give away thousands of free spins and cash prizes. Head over to Casino Room.
Casinoluck drops hidden gems for 3 days!
Well, well, well, look what we found in our mailbox this morning: the latest Casinoluck promotion with the interesting name "Hidden Gems promotions". This promotion runs from Tuesday, July 18 thru Thursday, July 20th and you definitely want to make sure you don't miss out on these three days to claim your fun prizes!
Phantom of the Opera at Guts Casino
Everybody knows the epic story of the Phantom of the Opera. The movie, the book, the musical and now finally the casino slot! NetEnt launches this epic title on July 24th! To celebrate this, Guts gives away free spins for this new and exciting game, but only on that specific day!
Win a luxury trip to Los Angeles with Microgaming’s Jurassic World
Of course you have seen the movie, but have you played the Jurassic Park slot? This is a beautiful designed and popular slot by Microgaming and now there is a sequel: the Jurassic World slot. This new slot is being released with a €25,000 prize draw at Casino Room this June. The promotion will begin June 21st and it will run until the 4th of July. The winners to a first class trip for two to LA and other cash prizes will be drawn on the following day – Wednesday, the fifth of July.