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Play it Old School in 4 of a King

Play it like old-school high rollers back in the day! Spin the reels and experience the elegance of the 1950s in casino slot 4 of a King.

Sit in the green table and place your bets. The game’s about to start! Experience real-casino gaming in every spin. Look out for the Red Chip symbol to expand and cover adjacent reels. Double or triple your wins with the Gamble feature. Spin the swanky green reels now at an RTP of 96% and win up to 10,000 credits only in 4 of a King bitcoin slot!

4 of a King Details 



Game Type

Video Slots







Minimum Bet

0.5 credits

Maximum Bet

100 credits


10,000 credits

4 of a King: Keeping it Classy

Casino slot 4 of a King presents 10 paylines that can be deactivated. Land 3 or more matching symbols on enabled paylines, starting from the leftmost, the rightmost, or the middle part of the reel to bag wins. Opt to gamble your payouts and take home double or quadruple its amount! 


The low-paying symbols in 4 of a King bitcoin slot include 4 flipped down cards in different colours of blue, green, yellow, and red. Whenever you land a low-paying winning combination, they flip around to reveal one of four different kings that can be found in each coloured card. 

Check their maximum bet payouts below:


Set of 3

Set of 4

Set of 5

Blue & green cards

50 credits

200 credits

1,000 credits

Red & yellow cards

50 credits

400 credits

2,000 credits

The high-paying symbols consist of posters of people you’d see inside a casino. See a male croupier, a female dealer, and a couple collecting their chips as symbols on the reels drawn in old-school ‘50s style. 

See their corresponding maximum bet payouts:


Set of 3

Set of 4

Set of 5

Male & female croupiers 

100 credits

600 credits

5,000 credits


200 credits

1,000 credits

10,000 credits

A red chip emblazoned with the game’s logo acts as the Wild symbol. It can expand at random and cover adjacent reels completely.



You can take your chance to double your winnings with the Gamble feature. After landing wins, you’ll have the option to either gamble or collect your payout. If you click the ‘Take Risk’ button, 5 cards will appear on the screen: one is facing upwards while the remaining four are facing downwards. You have to pick one and if the card you choose is higher than the Dealer’s, your win is doubled and you can gamble again. If the card you choose is lower than the dealer’s, your win is forfeited and you’ll be redirected to the base game.

4 of a King: Retro is Back so Get Ready to Jive 

Welcome, ladies and gentlemen, loyal patrons and guests, to the swankiest ‘50s-themed casino slot in town—4 of a King! Take a seat in the elegantly carved green table that displays the reels spinning and spinning. Bronze casing embossed with exquisite French curves frames the reels from top to bottom.

Jazz tunes play in the background whenever you spin. Transport yourself to a 1950s casino where a live jazz band croons at a distance and waitresses cater flutes of champagne to wherever you are. Jive to sounds of trumpets billowing and saxophones serenading smoothly whenever the Wild expands. Have an exquisite time in 4 of a King bitcoin slot.

4 of a King: You’re Welcome to Stay 

Casino slot 4 of a King presents a deluxe gaming experience for loyal patrons and newbies alike. Experience posh casino gaming during the golden days of the 1950s whenever you spin the reels. Keep your eyes open for the Wild symbol to expand and grant you more chances of winning. Win up to 10,000 credits in 4 of a King bitcoin slot.

Join Sugar Glider, the furry guardian of the forest, defeat the evil praying mantis and get wilds expanding across reels! Dive deeper underwater and discover Undine’s Deep where troves of treasure hide. With Endorphina’s eclectic collection of games, you’ll always find the right one for you. Play a slot now!

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