4 Of A King Slot: Demo Play, Best Casinos, Review
| Released | Nov. 15, 2014 | |
| Slot Studio | Endorphina | |
| RTP ranges! | 96.08% | |
| Volatility | Medium-high |
| Theme | Vegas | |
| Reels | 5 | |
| Rows | 3 | |
| Paylines | 10 |
| Bonus Game | No | |
| Free Spins | No | |
| Wild | Yes | |
| Scatter | No |
| Multipliers | No | |
| Top Win | N/A | |
| Bet Size | 0.10-200 USD/EUR | |
| Hit Freq. | N/A |
Risk feature
4 of a King Demo Mode
▶
Tested Casinos To Play 4 of a King Slot
Since: 2023
Cashouts: 0-30 minutes
300,000 $/day
Wager: x50
No ID cashouts
Mobile
Live Dealers
Game Types: 14
Slot Providers: 43
Online Slots: 8,000+
Crash Games
Since: 2021
Cashouts: 0-30 minutes
20,000 $/month
No ID cashouts
Mobile
Live Dealers
Game Types: 14
Slot Providers: 25
Online Slots: 4,000+
Crash Games
Since: 2025
Cashouts: 0-15 minutes
50,000 $/month
Wager: x80
No ID cashouts
Mobile
Live Dealers
Game Types: 13
Slot Providers: 42
Online Slots: 8,500+
Crash Games
Since: 2021
Cashouts: 0-30 minutes
20,000 $/month
Wager: x40
No ID cashouts
Live Dealers
Game Types: 13
Slot Providers: 27
Online Slots: 4,000+
Crash Games
Since: 2024
Cashouts: 0-30 minutes
20,000 $/month
No ID cashouts
Live Dealers
Game Types: 14
Slot Providers: 25
Online Slots: 4,000+
Crash Games
4 of a King Paytable
4 of a King - RTP Analyzer
RTP - 96.08%
Be aware!
RTP of 4 of a King ranges!
It means that at some casinos the RTP might be significantly lower than declared 96.08%!
4 of a King - Volatility and Required Bankroll Analyzer
Medium-high Volatility
Winnings appear less frequently but can be quite large when they land. Expect balance swings and longer dry periods compared to medium volatility slots. Great choice for players who enjoy bigger potential rewards without taking too much risk.
Required Bankroll* (based on our experience)
Aggressive
≈
150 bets
Normal
≈
300 bets
Conservative
≈
500 bets
*Number of bets we recommend for this slot depending on your play style
Comparison Of 4 of a King Mobile Casinos
|
|
|
|
|---|---|---|---|
| Accepted Players |
|
|
|
| Welcome Bonus | 100% up to 3000$/€ | 100% up to 10000$/€ | |
| Wager | x50 | N/A | x80 |
| Cashback | up to 15% | up to 15% | |
| Deposit Methods |
Bitcoin,
USDC,
USDT,
Ethereum,
Solana,
BNB
+ 5 more |
Bitcoin,
USDT,
USDC,
Ethereum,
Solana,
Ripple
+ 2 more |
Bitcoin,
USDT,
USDC,
Ethereum,
Solana,
BNB
+ 6 more |
| Cashout Speed | 0-30 minutes | 0-30 minutes | 0-15 minutes |
| No ID Cashouts | |||
| Visit Website | bitz.io | cryptocasino.cc | crypto-games.io |
4 of a King - Features Analyzer
4 of a King offers 3 out of 32 most popular online slot features
Autoplay
Bonus Game
Free Spins
Wild
Scatter
Multipliers
In-Game Jackpot
Progressive Jackpot
Buy Bonus
Megaways
Gamble Feature
Cascading Reels
Colossal Symbols
Adjustable Paylines
Pays Both Ways
Respin
Expanding Reels
Expanding Wilds
Expanding Symbols
Sticky Wilds
Random Wilds
Multiplier Wild
Walking Wilds
Multiplier Free Spins
Increasing Multipliers
Infinity Reels
Nudging Reels
Cluster Pays
Scatter Pays
Mystery Symbol
Hold Feature
Split Symbols
4 of a King In Comparison With Other Slots
4 of a King
|
|
|
|
|---|---|---|---|
| Producer | Endorphina | Elk Studios | PG Soft |
| RTP | 96.08% | 95.0% | 96.73% |
| Volatility | Medium-high | Medium | Medium |
| Max Win | N/A | x2,500 | x5,527 |
| Released Year | 2014 | 2021 | 2021 |
| Paylines | 10 | 178 | 32,400 |
| Free Spins | 10 | ||
| Buy Free Spins | |||
| Multipliers | x3-9 | x2-infinity | |
| Wild Symbol | |||
| Scatter | |||
| Other Features |
Autoplay, Gamble Feature |
Autoplay, Bonus Game, Respin, Expanding Wild |
Autoplay, Cascading Reels, Free Spins Multipliers, Increasing Multipliers |
Comparison Table of All Endorphina Slots (210)
| # Slot Name | RTP % | Volatility | Max Win | Play For Free |
|---|---|---|---|---|
| 121. Rooster Fury | 96.05 % | Medium-high | x5,000 | Demo Play |
| 122. Gems & Stones | 96.05 % | High | x5,000 | Demo Play |
| 123. Windy City | 96.05 % | Low | x500 | Demo Play |
| 124. Wild Streak | 96.05 % | High | N/A | Demo Play |
| 125. Thunder Crown | 96.05 % | Medium | x2,400 | Demo Play |
| 126. Little Panda Dice | 96.05 % | High | x3,000 | Demo Play |
| 127. Minotauros | 96.04 % | High | x10,000 | Demo Play |
| 128. Diamond Vapor | 96.04 % | High | N/A | Demo Play |
| 129. Jolly Queen | 96.04 % | Medium-low | N/A | Demo Play |
| 130. Hell Hot 40 | 96.04 % | Low | x1,000 | Demo Play |
| 131. Hell Hot Dice 40 | 96.04 % | Low | x1,000 | Demo Play |
| 132. Voodoo Dice | 96.04 % | High | N/A | Demo Play |
| 133. Minotauros Dice | 96.04 % | High | x10,000 | Demo Play |
| 134. Fruletta Dice | 96.04 % | Low | N/A | Demo Play |
| 135. Festa Junina | 96.04 % | Medium-low | x2,300 | Demo Play |
Comparison Table of All Endorphina Casinos (11)
| #Casino | Bonus Program | Deposit | Visit | |
|---|---|---|---|---|
| 1. BitzIO |
|
100% up to 3000$/€ |
Bitcoin,
USDT,
USDC,
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+ 7 more |
Visit Casino |
| 2. CryptoCasino |
|
Bitcoin,
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Visit Casino | |
| 3. CryptoGames |
|
100% up to 10000$/€ |
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USDC,
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+ 8 more |
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| 4. LTCcasino |
|
200% up to 400$/€ |
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+ 7 more |
Visit Casino |
| 5. ETHcasino |
|
Bitcoin,
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USDC,
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+ 7 more |
Visit Casino | |
| 6. CasinoBit |
|
110% up to 5000$/€ |
Bitcoin,
USDT,
USDC,
Ethereum
+ 6 more |
Visit Casino |
| 7. Neospin |
|
100% up to 1000$/€ |
Bitcoin,
Visa,
Mastercard,
Skrill
+ 10 more |
Visit Casino |
| 8. JackBit |
|
Cashback up to 20% |
Bitcoin,
USDT,
USDC,
Ethereum
+ 9 more |
Visit Casino |
| 9. RakeBit |
|
Cashback up to 25% |
Bitcoin,
USDT,
USDC,
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+ 11 more |
Visit Casino |
| 10. Bspin |
|
100% up to 400$/€ |
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+ 9 more |
Visit Casino |
This Page Was Last Updated: Jan. 10, 2026