King Billy Casino – Review

Live chat: No | Email: [email protected]

Chance of Winning
MEDIUM

Online casinos have the freedom to adjust the return-to-player on many popular slots — and King Billy has lowered them for a few favorites. You should see our test results for King Billy.

If you're looking to play somwehere with even better odds, you can find another casino in our toplist of the best online casinos.

Visit King Billy Casino Website

18+. New players only. Please play responsibly. T&C’s apply.

Get 100% Bonus up to €500 & 100 Free Spins on Book of King Billy 30x wagering on bonus 3x on deposit 30x on free spins winnings

Licensed in Curacao.
Visit King Billy Casino

18+. New players only. Please play responsibly. T&C’s apply.

Slide to compare casinos

  • King Billy
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to €500 & 100 Free Spins on Book of King Billy 30x wagering on bonus 3x on deposit 30x on free spins winnings

    Visit King Billy

    18+. New players only. Please play responsibly. T&C’s apply.

  • Roobet
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Use Promo Code: GREAT Get 7 Days of 20% Cashback & Instant Rakeback. If you lose during your first week of playing, you will get up to $1400 back in real cash with 0x wagering requirements.

    Visit Roobet Read Roobet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Spindragons
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 110% Bonus up to $1,100 & 300 Free Spins on selected slots 50x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit Spindragons Read Spindragons Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Rolletto
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 200% Bonus up to $500 & 50 Free Spins on selected slots 30x wagering on bonus 30x on deposit 30x on free spins winnings

    Visit Rolletto Read Rolletto Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • TheSlotz
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $700 & 75 Free Spins on selected slots 30x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit TheSlotz Read TheSlotz Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • MyStake
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Bonus on the 3 first deposits 1st: 150% Bonus up to $750 2nd: 100% Bonus up to $500 3rdt: 50% Bonus up to $250 30x wagering on bonus 30x on deposit

    Visit MyStake Read MyStake Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • MetaSpins
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $1,000 on your first deposit 40x wagering on bonus 0x on deposit

    Visit MetaSpins Read MetaSpins Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Betlabel
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 100% Bonus up to $300 & 30 Free Spins on Aloha King Elvis! 35x wagering on bonus 0x on deposit 35x on free spins winnings

    Visit Betlabel Read Betlabel Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • NitroBet
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $650 & 100 Free Spins on Space Gems Rockblocks 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Visit NitroBet Read NitroBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Winz.io
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Spin the Wheel of Winz for a guaranteed prize! Get 25 Free Spins on Winz to the Moon No wagering on free spins winnings

    Visit Winz.io Read Winz.io Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Cazimbo
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $500 & 200 Free Spins on random slots 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Visit Cazimbo Read Cazimbo Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Gamdom
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Get 15% INSTANT RAKEBACK for 7 days. Make sure to activate this offer on the Rewards Page. You have 6 hours to claim it.

    Visit Gamdom Read Gamdom Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Snatch Casino
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 200% Bonus up to $1000 & 100 Free Spins on selected slots 30x wagering on bonus 30x on deposit 30x on free spins winnings

    Visit Snatch Casino Read Snatch Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Wolfy Casino
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Use Promo Code: WELCOME Get 100% Bonus up to $200 No wagering on bonus 1x on deposit Bonus money can't be converted to cash

    Visit Wolfy Casino Read Wolfy Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Bitkingz
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: BK1 Get 150% Bonus up to $1000 & 100 Free Spins on Mayan Gods 45x wagering on bonus 0x on deposit 45x on free spins winnings

    Visit Bitkingz Read Bitkingz Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Stake
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Use Promo Code: GREAT Take part in $75'000 Raffle every week & $100'000 Race every day The more you wager the higher are your chances of winning

    Visit Stake Read Stake Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • RollingSlots
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $500 & 100 Free Spins on selected slots 45x wagering on bonus 1x on bonus 45x on free spins winnings

    Visit RollingSlots Read RollingSlots Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Cosmobet
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Use Promo Code: WELCOME Get 150% Bonus up to $500 & 50 Free Spins on Book of Dead 30x wagering on bonus 30x on deposit 30x on free spins winnings

    Visit Cosmobet Read Cosmobet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Hugo Casino
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $150 & 100 Free Spins on selected slots 45x wagering on bonus 0x on deposit 45x on free spins winnings

    Visit Hugo Casino Read Hugo Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • VeloBet
    HIGH chance of winning

    Highest RTP setting
    on all slots in our test

    Use Promo Code: WELCOME Get 150% Bonus up to $500 & 70 Free Spins on Book of Dead 30x wagering on bonus 30x on deposit 30x on free spins winnings

    Visit VeloBet Read VeloBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • FeliceBet
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 200% Bonus up to $800 & 100 Free Spins on selected slots 35x wagering on bonus 35x on deposit 35x on free spins winnings

    Visit FeliceBet Read FeliceBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Azurslot
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $300 & 100 Free Spins on selected slots 45x wagering on bonus 0x on deposit 45x on free spins winnings

    Visit Azurslot Read Azurslot Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Safecasino
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $1000 & 300 Free Spins on Gates of Olympus 1000 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Visit Safecasino Read Safecasino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • 7BitCasino
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Bonus on the 4 first deposits Get 100% Bonus up to $400 & 100 Free Spins on Elvis Frog in Vegas 35x wagering on bonus 1x on deposit 35x on free spins winnings

    Visit 7BitCasino Read 7BitCasino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Winolot
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: WIN125 Get 100% Bonus up to $300 & 50 Free Spins on Wild Drops 40x wagering on bonus 1x on deposit 40x on free spins winnings

    Visit Winolot Read Winolot Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • SpinPlatinum
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: SPWELCOME Get 100% Bonus up to $500 & 100 Free Spins on Wilds of Fortune 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Visit SpinPlatinum Read SpinPlatinum Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Wild Tokyo
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $1,500 & 500 Free Spins on selected slots 50x wagering on bonus 0x on deposit 50x on free spins winnings

    Visit Wild Tokyo Read Wild Tokyo Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Spinlander
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    Get 100% Bonus up to $700 & 100 Free Spins on selected slots 45x wagering on bonus 0x on deposit 45x on free spins winnings

    Visit Spinlander Read Spinlander Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Rooster Bet
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $1000 & 100 Free Spins on John Hunter Book of Tut 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit Rooster Bet Read Rooster Bet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Spinrollz
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $500 & 200 Free Spins on selected slots 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Visit Spinrollz Read Spinrollz Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Chipstars
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get up to 200% bonus up to $400 on your first deposit Wagering releases bonus as real money. No max bet, game restrictions or time limit.

    Visit Chipstars Read Chipstars Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Need For Spin
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $300 & 100 Free Spins on selected slots 45x wagering on bonus 0x on deposit 45x on free spins winnings

    Visit Need For Spin Read Need For Spin Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Gomblingo
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Code: GOBLINGOLD200 Get 200% Bonus up to $500 & 200 Free Spins on 7 Fortune Frenzy 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Visit Gomblingo Read Gomblingo Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • JeetCity
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $250 & 100 Free Spins on Book of Nile: Hold 'N' Link 40x wagering on bonus 1x on deposit 40x on free spins winnings

    Visit JeetCity Read JeetCity Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • KatsuBet
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Bonus on the 4 first deposits Get 100% Bonus up to $400 & 100 Free Spins on Aloha King Elvis 35x wagering on bonus 1x on deposit 35x on free spins winnings

    Visit KatsuBet Read KatsuBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Mirax Casino
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Get 100% Bonus up to $400 & 100 Free Spins on Candy Monsta 35x wagering on bonus 1x on deposit 35x on free spins winnings

    Visit Mirax Casino Read Mirax Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • DailySpins
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $1,000 & 200 Free Spins on Tramp Day 40x wagering on bonus 1x on deposit 40x on free spins winnings

    Visit DailySpins Read DailySpins Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • 500 Casino
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    300% Bonus up to $15'000 & 50 free spins on five Pragmatic Play slots Bonus is paid out as rakeback boost. Every $400 wager unlocks $1.

    Visit 500 Casino Read 500 Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • NovaJackpot
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $650 & 100 Free Spins on selected slots 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Visit NovaJackpot Read NovaJackpot Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Spinight
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $1000 & 100 Free Spins on selected slots 35x wagering on bonus 35x on deposit 40x on free spins winnings

    Visit Spinight Read Spinight Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • GrandWin
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: GRAND125 Get 125% Bonus up to $300 & 50 Free Spins on selected slots 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Visit GrandWin Read GrandWin Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Casino Orca
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: ORCA1 Get 100% Bonus up to $500 It’s a “sticky bonus” which means that it can’t be converted to real cash.

    Visit Casino Orca Read Casino Orca Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Wonaco
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 250% Bonus up to $2500 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Visit Wonaco Read Wonaco Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Justbit
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Bonus on the 3 first deposits Get 100% Bonus up to $250 40x wagering on bonus 1x on deposit

    Visit Justbit Read Justbit Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Lukki
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Deposit $500 & unlock 150% bonus, a 60-day VIP trial & 10% cashback 40x wagering on bonus 0x on deposit

    Visit Lukki Read Lukki Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Wild.io
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: WILD Get up to 120% Bonus & 75 Free Spins on selected slots 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit Wild.io Read Wild.io Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • TrivelaBet
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 200% bonus up to $1000 30x wagering on bonus. Wagering needs to be done with real cash first before bonus is paid out.

    Visit TrivelaBet Read TrivelaBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Coolzino
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $150 & 250 Free Spins on selected slots Pragmatic Play slots 40x wagering on bonus 1x on deposit 40x on free spins winnings

    Visit Coolzino Read Coolzino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • GratoWin
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Use Code: GRATO100 50 no deposit freespins! Get 100% Bonus up to $1,000 35x wagering on bonus 1x on deposit

    Visit GratoWin Read GratoWin Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Wikiluck
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: WIKI100 Get 100% Bonus up to $200 40x wagering on bonus 40x on deposit

    Visit Wikiluck Read Wikiluck Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • PlayOro
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: PLAYO100 Get 100% Bonus up to $1000 35x wagering on bonus 0x on deposit

    Visit PlayOro Read PlayOro Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • JettBet
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Bonus on the 4 first deposits Get 200% Bonus up to $1,000 & 100 Free Spins on Chilli Pop 30x wagering on bonus 30x on deposit 40x on free spins winnings

    Visit JettBet Read JettBet Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Neon Vegas
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Use Code: NEON Get 100% Bonus up to $500 & 100 Free Spins on Sakura Fortune 40x wagering on bonus 40x on deposit 50x on free spins winnings

    Visit Neon Vegas Read Neon Vegas Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Rapid Casino
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Use Code: RAPID Get 100% Bonus up to $500 & 100 Free Spins on Sakura Fortune 40x wagering on bonus 40x on deposit 50x on free spins winnings

    Visit Rapid Casino Read Rapid Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Ultra Casino
    MEDIUM chance of winning

    Highest RTP setting
    on some slots in our test

    Use Code: ULTRA Get 100% Bonus up to $500 & 100 Free Spins on Sakura Fortune 40x wagering on bonus 40x on deposit 40x on free spins winnings

    Visit Ultra Casino Read Ultra Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • PlazaPlay
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Code: PLAZA100 Get 100% Bonus up to $1,000 35x wagering on bonus 1x on deposit

    Visit PlazaPlay Read PlazaPlay Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • CasinoRex
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $200 & 20 Free Spins on All Lucky Clovers 5 50x wagering on bonus 0x on deposit 50x on free spins winnings

    Visit CasinoRex Read CasinoRex Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Asino
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: START Get 100% Bonus up to $650 & 200 Free Spins on Elvis Frog TRUEWAYS 40x wagering on bonus 0x on deposit 30x on free spins winnings

    Visit Asino Read Asino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Playfina
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Use Promo Code: FIRST Get 100% Bonus up to $1,000 & 200 Free Spins on Le Pharaoh 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit Playfina Read Playfina Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Leon
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 150% Bonus up to $20,000 & 100 Free Spins on Book of Dead 40x wagering on bonus 0x on deposit 20x on free spins winnings

    Visit Leon Read Leon Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Art Casino
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    Use Promo Code: ART125 Get 125% Bonus up to $500 & 50 Free Spins on Big Bass Splash The bonus is "sticky" which means it can not be wagered to cash

    Visit Art Casino Read Art Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • CasinoStars
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    Use Promo Code: STARS1 Get 100% Bonus up to $300 0x wagering on bonus "Sticky bonus" which means that it can't be converted to real cash.

    Visit CasinoStars Read CasinoStars Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • MoonWin
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $250 & 100 Free Spins on Wild Cash 40x wagering on bonus 0x on deposit 40x on free spins winning

    Visit MoonWin Read MoonWin Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Bbets
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 100% Bonus up to $250 & 100 Free Spins on Book of Dead 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit Bbets Read Bbets Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Avocasino
    MEDIUM chance of winning

    Highest RTP setting
    on most slots in our test

    Get 125% Bonus up to $1000 & 40 Free Spins on selected slots 30x wagering on bonus 30x on deposit 50x on free spins winnings

    Visit Avocasino Read Avocasino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • Trino Casino
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 110% Bonus up to $750 & 75 Free Spins on Sweet Bonanza 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit Trino Casino Read Trino Casino Review

    18+. New players only. Please play responsibly. T&C’s apply.

  • SpellWin
    LOW chance of winning

    Low RTP setting
    on many slots in our test

    Get 110% Bonus up to $750 & 75 Free Spins on Sweet Bonanza 1000 40x wagering on bonus 0x on deposit 40x on free spins winnings

    Visit SpellWin Read SpellWin Review

    18+. New players only. Please play responsibly. T&C’s apply.

How We Test the Chance of Winning

Like we said above, casinos are allowed to change the frequency you win on popular slots — and King Billy has lowered it for some of the most popular games.

They're able to do this by changing the "return-to-player" (RTP). If the RTP is lower, your odds of winning get worse — and the casino's profit grows.

Our testing checks this by tracking the same 10 popular game titles at each casino and seeing how their RTP compares to the highest return possible for each game.

Have a look at the results right here. Swipe below to check out how the others compare with eachother.

Popular games Best RTP
Gates of Olympus 96.50%
Sugar Rush 96.50%
Le Bandit 96.34%
Wanted Dead Or A Wild 96.38%
Big Bamboo 96.51%
Big Bass Bonanza 96.71%
Book of Dead 96.21%
Reactoonz 96.51%
Fire In The Hole 2 96.07%
Temple Tumble 96.25%
King Billy
94.50%
94.50%
92.17%
92.33%
95.45%
94.02%
94.25%
94.51%
96.07%
94.00%
Roobet
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Spindragons
94.50%
94.50%
92.17%
92.33%
-
94.02%
96.21%
96.51%
96.07%
94.00%
Rolletto
96.50%
96.50%
96.34%
96.38%
-
96.71%
96.21%
96.51%
96.07%
96.25%
TheSlotz
94.50%
94.50%
92.17%
92.33%
-
94.02%
96.21%
96.51%
96.07%
94.00%
MyStake
96.50%
96.50%
96.34%
96.38%
-
96.71%
96.21%
96.51%
96.07%
96.25%
MetaSpins
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
91.25%
91.49%
92.07%
94.00%
Betlabel
96.50%
96.50%
96.34%
96.38%
-
96.71%
96.21%
96.51%
96.07%
-
NitroBet
96.50%
96.50%
92.17%
92.33%
-
96.71%
-
-
94.08%
94.00%
Winz.io
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Cazimbo
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
87.25%
87.50%
92.07%
94.00%
Gamdom
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Snatch Casino
96.50%
96.50%
92.17%
92.33%
94.08%
96.71%
87.25%
87.50%
94.08%
94.00%
Wolfy Casino
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Bitkingz
94.50%
94.50%
92.17%
92.33%
96.13%
94.02%
-
-
92.07%
94.00%
Stake
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
RollingSlots
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
94.08%
-
Cosmobet
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
96.25%
Hugo Casino
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
94.08%
-
VeloBet
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
96.21%
96.51%
96.07%
-
FeliceBet
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
Azurslot
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
94.08%
94.00%
Safecasino
94.50%
94.50%
94.23%
94.55%
-
94.02%
87.25%
87.50%
94.08%
96.25%
7BitCasino
-
-
96.34%
96.38%
96.13%
-
94.25%
94.51%
92.07%
-
Winolot
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
SpinPlatinum
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
Wild Tokyo
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
94.08%
94.00%
Spinlander
96.50%
96.50%
96.34%
96.38%
-
96.71%
96.21%
96.51%
92.07%
96.25%
Rooster Bet
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
-
-
94.08%
94.00%
Spinrollz
94.50%
94.50%
92.17%
94.55%
-
94.02%
87.25%
87.50%
92.07%
94.00%
Chipstars
94.50%
94.50%
92.17%
92.33%
-
94.02%
87.25%
87.50%
94.08%
94.00%
Need For Spin
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
94.25%
94.51%
92.07%
94.00%
Gomblingo
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
JeetCity
94.50%
94.50%
92.17%
92.33%
96.13%
94.02%
-
-
92.07%
-
KatsuBet
94.50%
94.50%
-
-
-
94.02%
84.18%
84.51%
92.07%
94.00%
Mirax Casino
94.50%
94.50%
-
-
96.13%
94.02%
94.25%
94.51%
92.07%
94.00%
DailySpins
94.50%
94.50%
92.17%
92.33%
-
94.02%
87.25%
87.50%
92.07%
94.00%
500 Casino
96.50%
96.50%
96.34%
96.38%
96.13%
96.71%
94.25%
94.51%
96.07%
96.25%
NovaJackpot
94.50%
94.50%
92.17%
94.55%
-
94.02%
87.25%
87.50%
92.07%
94.00%
Spinight
94.50%
94.50%
92.17%
94.55%
-
94.02%
87.25%
87.50%
92.07%
94.00%
GrandWin
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
-
-
Casino Orca
94.50%
94.50%
96.34%
96.38%
94.08%
95.67%
87.25%
87.50%
96.07%
94.00%
Wonaco
94.50%
94.50%
94.23%
94.55%
94.08%
94.02%
87.25%
87.50%
92.07%
94.00%
Justbit
94.50%
94.50%
94.23%
94.55%
-
94.02%
87.25%
87.50%
94.08%
94.00%
Lukki
94.50%
94.50%
94.23%
94.55%
96.13%
94.02%
87.25%
87.50%
94.08%
94.00%
Wild.io
95.50%
95.50%
94.23%
94.55%
96.13%
95.67%
87.25%
87.50%
94.08%
-
TrivelaBet
96.50%
96.50%
94.23%
94.55%
-
96.71%
87.25%
87.50%
94.08%
94.00%
Coolzino
96.50%
96.50%
94.23%
94.55%
94.08%
96.71%
87.25%
87.50%
94.08%
94.00%
GratoWin
94.50%
94.50%
92.17%
92.33%
-
94.02%
94.25%
94.51%
96.07%
-
Wikiluck
94.50%
94.50%
96.34%
96.38%
-
94.02%
87.25%
87.50%
96.07%
-
PlayOro
94.50%
94.50%
92.17%
92.33%
94.08%
94.02%
94.25%
94.51%
-
94.00%
JettBet
94.50%
94.50%
92.17%
92.33%
-
94.02%
87.25%
87.50%
94.08%
-
Neon Vegas
94.50%
94.50%
94.23%
94.55%
94.08%
95.67%
94.25%
94.51%
94.08%
94.00%
Rapid Casino
94.50%
94.50%
94.23%
94.55%
94.08%
95.67%
94.25%
94.51%
94.08%
94.00%
Ultra Casino
94.50%
94.50%
94.23%
94.55%
94.08%
95.67%
94.25%
94.51%
94.08%
94.00%
PlazaPlay
94.50%
94.50%
92.17%
92.33%
-
-
87.25%
87.50%
-
-
CasinoRex
-
94.50%
94.23%
94.55%
96.13%
-
91.25%
91.49%
-
-
Asino
94.50%
94.50%
92.17%
92.33%
94.08%
94.02%
87.25%
87.50%
92.07%
96.25%
Playfina
94.50%
94.50%
92.17%
92.33%
-
94.02%
-
-
94.08%
94.00%
Leon
94.50%
94.50%
92.17%
92.33%
96.13%
94.02%
87.25%
87.50%
94.08%
-
Art Casino
94.50%
94.50%
94.23%
94.55%
94.08%
95.67%
96.21%
96.51%
96.07%
94.00%
CasinoStars
94.50%
94.50%
94.23%
94.55%
94.08%
95.67%
96.21%
96.51%
96.07%
94.00%
MoonWin
94.50%
94.50%
92.17%
92.33%
96.13%
94.02%
-
-
-
94.00%
Bbets
94.50%
94.50%
-
-
-
94.02%
91.25%
91.49%
96.07%
-
Avocasino
96.50%
96.50%
96.34%
96.38%
-
96.71%
87.25%
-
96.07%
-
Trino Casino
96.50%
96.50%
92.17%
92.33%
96.13%
96.71%
87.25%
87.50%
94.08%
94.00%
SpellWin
96.50%
96.50%
92.17%
92.33%
96.13%
96.71%
87.25%
87.50%
94.08%
-
Visit King Billy Slide to compare

If you swipe, you can quickly see King Billy is actually pretty solid. There are a few competing casinos that rate better than King Billy, though most didn't match King Billy.

when you play online slots the return-to-player value is the feature that has the biggest influence on your winning odds.

If you'd like to gamble at casinos offering the best player odds you'll easily find them in our top list of the best online casinos.

4.3
Very good

#3 out of 155 online casinos

We conducted reviews of 155 online casinos, covering customer support, welcome bonus packages, and overall game selection. Here is the summary of our testing and where King Billy performed well or fell short by category.

What is the Theoretical Bonus Value of a $100 First Deposit (TBV100)?

Winner: Betblast Casino, TBV100: $204.7

In 5th place: King Billy Casino, TBV100 $100.97

Average Bonus Value of $100 first deposit: -$26.65

How Reliable is the Customer Support?

Winner: Winmaker Casino, 63.62

In 14th place: King Billy Casino, 47.34

Average casino support score: 39.52

How Many Different Casino Games are Available?

Winner: JB Casino: (5480 games)

In 24th place: King Billy Casino (12146 games)

Average number of games available at online casinos: 7923 games

How Fast is the Online Casino Gaming Experience?

Winner: Galactic Wins Casino (0.73 seconds)

In 23rd place: King Billy Casino (3.00 seconds)

Average page load speed of online casinos: 4.07 seconds

King Billy Casino Welcome Bonus

- Bonus: 100% match bonus + 100 freespins

- Minimum Bonus: $20

- Maximum Bonus: $500

- Wagering Requirements: 0x playthrough requirement

- Free Spins Slot: Book of King Billy

- Value per spin: $0.1

- Free Spins Wagering Requirements: 0x playthrough requirement

- Theoretical Bonus Value (TBV): $100.97

- Welcome Bonus Ranking: King Billy Casino Casino's welcome bonus ranked 5th in our online casino welcome bonus test.

Visit King Billy Casino

King Billy - Bonus, Promos, and Free Spins

5 out of 5 stars

We’ve tested the first deposit bonus at every online casino to find which one gives you the best value on your deposit.

We rely on TBV to estimate the average return players see on a first deposit once wagering is cleared, spanning the full deposit limits.

Below is King Billy’s performance.

King Billy earned high marks for a generous new-player bonus on a $100 first deposit. For $100, TBV is approximately $100.97; that’s $127.62 over the average first-deposit value of -$26.65.

It landed 5th out of 155 for $100 first-deposit value. All told, King Billy comes with a great first deposit bonus.

Visit King Billy Casino

No, unfortunately, King Billy Casino did not offer a no deposit bonus as of our test.

No, King Billy Casino does not require a bonus code to receive the first deposit bonus.

King Billy – Live Chat and Email Customer Support

4 out of 5 stars

Customer service is a key part of the online casino experience, but many players forget it. Count on a site that won’t leave you waiting when you ask for support. Rating customer service across 155 operators isn’t a simple task.

We run support tests and publish rankings to help you trust the casino you pick.

Visit King Billy Casino

King Billy Casino Casinos customer service email is [email protected].

King Billy Casino Casino did not have an active phone number for customer support.

King Billy - Slots and Other Casino Games

4.5 out of 5 stars

Options keep things fun for online gamblers; the same slot gets stale quickly. Most players won’t be able to try every site’s games to figure out the best pick.

We looked at King Billy’s library for breadth and depth, including sports betting, live dealer games, slots, blackjack, and roulette.

Keep reading for King Billy’s game library results.

How large and diverse is King Billy casino’s game library?

King Billy carries many game types so players have options. According to our test, their game library included: live casino, livebetting, poker and bingo.

This mix, combined with 12,146 total games, placed King Billy at 24th out of 155 in our selection test.

In our testing, King Billy delivered one of the strongest overall game libraries. King Billy hosts 12,146 games, which is 4,223 more than the average we recorded.

With new titles landing weekly, King Billy is a good bet to match your tastes.

Visit King Billy Casino

King Billy - Website Speed and UX

3.5 out of 5 stars

Nothing ruins online play faster than a site that loads slowly. Figuring out how quick a casino site is versus others isn’t straightforward. We checked load times for every site and ranked them to show which casinos cost you the most time.

How Fast is King Billy?

King Billy came in 23rd—an above-average spot—yet it was still close to the middle of the field for page speed. Average loads of 3.0 seconds won’t hinder play much, even if the top casinos are speedier.

Visit King Billy Casino

King Billy - All Test Results

Compilation of all casino tests and calculations for rankings.

Bonus and Promotions Test.

Our analysis included both no-deposit bonuses and first-deposit offers at every casino we checked. We fixed the baseline at a $100 first deposit, as casinos have varying maximums for the bonus.

We compute a Theoretical Bonus Value (TBV) that shifts metrics and rollover criteria based on the offer. TBV100 measures bonus value at $100 deposited, while TBVMAX measures it at the highest allowed deposit.

Here’s the breakdown of King Billy’s bonus and promo performance.

King Billy isn’t running a No Deposit Bonus for new players right now.

  • First Deposit Bonus Type: Match + Freespins
  • Minimum Deposit Amount: 20
  • Theoretical Bonus Value for a $100 First Deposit: $100.97
  • TBV100 First Deposit Rank: 5th out of 155
  • TBV100 First Deposit Stars: 5 out of 5 stars
  • Number of Bonus Spins: 100
  • Max RTP of Bonus Spins: 9700 %
  • Wagering Requirement of Bonus Spins: 30 x
  • Theoretical Value of Bonus Spins (TBVBS): $0.97

We then combined the value of King Billy's no deposit bonus, first deposit bonus ($100), and available free spins to create a complete overview of the value of King Billy's welcome bonus.

In our last round of testing, King Billy lacked an active welcome bonus.

Customer Support Test

For our online casino customer support test, we measured whether they offered email, phone, and live chat support options and the duration of those agents. We used the results to rank casinos, giving a clear view of how their support compares to others.

Below are King Billy’s support metrics and its overall rank in our comparison of online casinos.

  • At King Billy, phone support wasn’t offered via an active line.
  • King Billy has no live chat feature for support at this time.
  • Email Support: [email protected]

We ranked King Billy using support channel presence—phone, email, live chat—and the duration of availability for each.

  • Customer Support Rank: 14th out of 155
  • Customer Support Stars: 4 out of 5 stars

Game selection Test

Our approach was to count games and catalog categories for every casino, such as slots, poker, roulette, and live betting.

Accounting for both how big the library is and how diverse it is, we can name which online casino has the best game selection.

Here’s a summary of King Billy’s game selection results and how it compares to the wider market we tested.

  • Total Number of Casino Games: 12,146
  • Total Number of Game Types: 4 - live casino, livebetting, poker and bingo
  • Casino Game Selection Ranking: 24th out of 155
  • Casino Game Selection Stars: 4.5 out of 5 stars

Online Casino Speed Test

We checked several crucial pages at each casino for load time and calculated the average.

An average of casino pages like the slots, promotion, and customer support pages provides a good basline for how quickly King Billy is generally.

We time the homepage, slots, and promotions pages and average them to estimate King Billy’s overall load speed.

  • Average Load Time: 3 seconds
  • Online Casino Speed Ranking: 23rd out of 155
  • Online Casino Speed Stars: 3.5 out of 5 stars

Online Casino Total Ranking Test

King Billy’s overall placement is based on the scores and star ratings it earned in each test.

Below is how King Billy measures up overall across the full set of online casinos we reviewed.

  • Bonus and Promotions: 5th out of 155
  • Customer Support: 14th out of 155
  • Game Selection: 24th out of 155
  • Casino Speed: 23rd out of 155
  • Ranking compared to other online casinos: 3rd out of 155

Stars based on King Billy’s test results:

  • Bonus and Promotions: 5 out of 5 stars
  • Customer Support: 4 out of 5 stars
  • Game Selection: 4.5 out of 5 stars
  • Casino Speed: 3.5 out of 5 stars
  • Average: 4.3 out of 5 stars

We calculate King Billy’s overall position by weighing points and stars equally. If two sites finish level, we use points to determine the winner.

King Billy’s total ranking is 3rd out of 155 online casinos that we have tested so far.

Most popular slots right now