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Play'n GO has been focused on Arthurian slots in recent years. The popular studio has released two online video slots based on the Arthurian legend so far, with a third one hitting the market. Diamonds of the Realm, the 3rd installment in the series, aims higher than its predecessors.
The Diamonds of the Realm slot is a highly volatile title with an RTP of 96.23%. The slot has 20 fixed paylines you can win across. Land the right symbols on them, and you can expect rewards up to 20,000x your stake.
As a slot based on a magical theme and setting, you can expect enchanting gameplay and features. With Mordred and Morgan in the limelight, this is a slot you won’t forget soon.


The Diamonds of the Realm online slot has a 5x3 reel set and familiar controls. Both new and seasoned players shouldn’t have trouble spinning it on desktop PCs or their mobile phones. Like always, Play’n GO has created a visually stunning slot. You’ll see castle Camelot in the background and a host of familiar characters on the reels, starting with Morgan and Mordred.
The backbone of the story in this slot is that they’ve stolen the Queen’s diamonds. Your mission is to get them back. This will require you to collect Scatters so you can get to the Free Spins Round and boost that multiplier up. For your efforts, you will be greatly rewarded.
Diamonds of the Realm’s great graphics are supplemented by a fantastic soundtrack and apt sound effects that will truly immerse you in the setting.
Play’n GO’s slots are fully mobile-optimized, and the same can be said about Diamonds of the Realm. The slot can be played with ease on Android and iOS devices – no casino app download is required.
To play online slots for real money, you will have to place a bet. The bet slider gives you many options between $0.10 and $100 per spin. Choose what suits you best and hit the Spin button to start the action.
Landing high-paying symbols such as King Arthur will deliver the highest payouts in the base game. It is the highest-paying symbol along with the Wild that can step in for regular symbols to form winning combinations.
Right above the reels, there’s a string of multipliers. This is the first major feature in the Diamonds of the Realm slot. When active, the multipliers can boost your wins on the triggering spin. This is a random feature with a randomly chosen multiplier worth between x2 and x100. If you bet the max, this means possible payouts up to 10,000x your stake.
The biggest cash rewards in the Diamonds of the Realm slot are in the Bonus Round. You trigger it with at least 3 diamonds that Scatter anywhere in sight. This gives you 5 free spins with an x2 multiplier when the round begins.
Your goal in the Bonus Round is to get the Queen’s stolen diamonds back. During the free spins, you collect diamond Scatters to get more free spins and better rewards. You start at level 1 and work your way up like this:
• 6 diamonds (Level 2) - +5 free spins with an x5 multiplier;
• 12 diamonds (level 3) - +5 extra spins with an x10 multiplier;
• 18 diamonds (level 4) - +5 extra spins with an x100 multiplier.
When you reach the last level, you get no more Diamond Scatters. You can’t extend the feature beyond this point, but by reaching it, you should already be well on your way to big wins.
Play’n GO has set the RTP of the Diamonds of the Realm slot to a solid 96.23%. As a highly volatile title, you shouldn’t expect big wins to land that often. With the right combination of symbols and multipliers, you can win up to 20,000x your stake in this slot.
Diamonds of the Realm is the 3rd installment in Play’n GO’s Arthurian slots and possibly the best one. It shies away from the standard Arthurian legend and focuses on Mordred and Morgan instead. It’s a nice change of pace as the market is already saturated by slots featuring the Knights on the Round Table.
If you’re looking for a fun slot that’s not too complicated to play and still pays big, Diamonds of the Realm is a great choice. Play it at the top online casinos!
Karolis Matulis is a Senior Editor at Casinos.com with more than 6 years of experience in the online gambling industry. Karolis has written and edited dozens of slot and casino reviews and has played and tested thousands of online slot games. So if there's a new slot title coming out soon, you'd better know it – Karolis has already tried it.
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