We are sorry to inform you that Castle Jackpot is now closed, and we would like to welcome you with open arms to Slot Boss. Our online casino features all the slots and casino games you know and love from Castle Jackpot, plus a chance to play an ever-growing list of top-performing online slots.

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Reasons To Play at Slot Boss

Here at Slot Boss, we are dedicated to providing the best online slots experience for our players. We focus on bringing you only the best slots by the best providers in the online casino world and delivering detailed and informative pages on each of our games. We are constantly updating our online casino with new games, offers, and promotions for you to enjoy.

Some of our most popular online slots include:


You may already be familiar with Starburst slot since its release on online casinos in 2012. However, Starburst is a leading online slot with plenty to offer and enjoy if you aren't. Be in for a chance to win up to 500x your stake while exploring breathtaking outer space and collecting unique gems on your way. The success of the Starburst slot has inspired NetEnt to create additions to the series with games such as Slingo Starburst.


Cleopatra has been a flagship slot for IGT Gaming since its release in 2012 for a reason. This fantastic game offers a chance to experience authentic Ancient Egypt and an opportunity to win up to 1,000x your stake. IGT has created several additions to the Cleopatra series due to the success of the original game such as, Cleopatra Gold and a sequel game Cleopatra II.

Rainbow Jackpots

Rainbow Jackpots is a high-performing Irish-themed from Red Tiger Gaming and provides a unique Irish experience complete with a lucky leprechaun and a chance to win up to 1054x your stake. It's no wonder that this online game has remained popular on our online casino since its release in 2016.

Some of the newest slots at Slot Boss include:

Rainbow Riches Cash Cluster 90k Yeti Gigablox Slot Santa’s Big Bash Megaways Book of Toro Slot

Some of our most popular Jackpot games include:

The Goonies Jackpot King

The Goonies Jackpot King is an outstanding Jackpot slot inspired by The Goonies iconic movie. Brought to you by Blueprint Gaming, The Goonies Jackpot King offers remarkable features such as Goonies Go Wild Free Spins and Skeleton Organ Bonus.

Gold Frenzy

Gold Frenzy is a unique mining-themed slot brought to you by Blueprint Gaming that features a chance to win up to 2000x your stake. Gold Frenzy offers a unique Jackpot experience for players here at Slot Boss.

Irish Riches

Irish Riches slot is jam-packed with features for all players to enjoy, such as Leprechaun Loot bonuses and a chance to experience the luck of the Irish. This game remains a favourite among players here at Slot Boss.


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