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We evaluate slot machines based on multiple criteria, from which we make our final verdict.
Design and theme
86 %
Features and playability
85 %
RTP and volatility
94 %
Slot machine details and review Release the Kraken
The Release the Kraken slot from Pragmatic Play pulls you into the dark depths of the sea, where a mythical beast rules and big wins lurk on every spin. The game runs on 5 reels and 4 rows with the classic 20 paylines, which expand to 40 lines during Free Spins. A strong atmosphere, dynamic bonuses and the iconic Kraken make this slot a thrilling ride from the first spin to the final win.
Every slot machine must be developed by a company that invented, designed and put it into operation. Many players eventually find that they only enjoy playing on machines from specific software provider, so they narrow down their selection by preferred brand.
A high volatility slot. Wins are rare, but can be really big. The game has more pronounced fluctuations and can often go without hitting anything for a long time, suitable for players who like adrenaline, higher risk and work with a larger budget. More about volatility here.
Slot theme and symbols
The Release the Kraken slot leans into a dark and adventurous sea-themed setting that takes you deep beneath the oceanβs surface into a world of legends, treasure and dangerous creatures. The gameβs standout is the iconic Release the Kraken symbol, alongside animal symbols such as a shark, turtle, blue fish and a striking green-and-yellow fish, complemented by the classic card values A, K, Q and J. The atmosphere is enhanced by special features led by the WILD and BONUS symbols, but the real stars here are the unique kraken mechanics β KRAKEN LOCKING WILDS, COLOSSAL KRAKEN WILDS and INFECTIOUS KRAKEN WILDS β which can dramatically change the course of play and deliver unexpected wins. There are also thrilling features like SUNKEN TREASURE BONUS or the exclusive ROAMING KRAKEN FREE SPINS, where the tension builds with every spin. Thanks to its high volatility, the slot is aimed mainly at players looking for big thrills, standout winning moments, and who are willing to wait for a larger hit.
Release the Kraken theme and symbols
Release the Kraken
Shark
Turtle
Blue fish
Green-yellow fish
Letter A
Letter K
Letter Q
Letter J
Special Symbols and Slot Features
3D
NO
Autoplay
YES
Free Spins
YES
Gamble Feature
NO
Locking Symbols
YES
Wild Symbol
YES
Win Multiplier
YES
Other features
Bonus buy
Bonus Game
Expanding Wild
Other Features
WILD symbol
The WILD symbol acts as a universal helper for creating winning combinations. It can replace all regular symbols on the reels, except the BONUS symbol, significantly boosting your chances of a win. It can appear on all five reels, and as soon as at least three WILD symbols land on a payline, the slot pays out immediately. Thanks to this, the WILD symbol brings more tension, unexpected twists, and the feeling that a win can come at pretty much any time.
BONUS symbol
BONUS symbols come in three different forms, and each one moves the game closer to attractive bonus features. In the game, you may see a ship with the BONUS label, a helm marked FREE SPINS, or a chest labelled CHEST BONUS. When the BONUS symbol appears on the first and third reels, and at the same time the FREE SPINS or CHEST BONUS symbol lands on the fifth reel, the slot instantly triggers the relevant bonus game. Thanks to this combination, bonuses arenβt just about luck, but also about the suspense of how each next symbol can decide whether you enter a much more rewarding part of the game.
RANDOM SPIN feature
The RANDOM SPIN feature adds a proper dose of excitement and unpredictability to the base game. On any spin, a selection of three Kraken tentacles can appear completely at random. Once you choose one, the game immediately triggers one of the random special features β either KRAKEN LOCKING WILDS, COLOSSAL KRAKEN WILDS, or INFECTIOUS KRAKEN WILDS. You never know in advance which feature youβll get, and thatβs exactly what makes every spin more interesting and can significantly increase your chances of landing an attractive win.
KRAKEN LOCKING WILDS
The KRAKEN LOCKING WILDS feature is one of the most exciting moments in the slot. A special WILD symbol enters the game, replacing regular symbols except for all BONUS symbols, and greatly helps to form winning combinations. After this feature is triggered, the reels keep spinning and choices of one of three chests appear gradually. Each chest can bring a different effect β adding more WILD symbols, continuing the spin, doubling all wins, collecting the current win, or a combination of more WILD symbols and collecting. Wins accumulate during the feature and are only paid out once it fully ends, which significantly ramps up both the suspense and the potential of the final reward.
COLOSSAL KRAKEN WILDS
The COLOSSAL KRAKEN WILDS feature brings a real turning point in the gameplay. A special WILD symbol is activated, able to replace regular symbols except for all BONUS symbols, significantly increasing your chances of a win. Once the reels stop, the game is guaranteed to place a huge 3Γ4 colossal WILD symbol on the grid, covering a large part of the playing area. Thanks to this, a single spin can create several winning combinations at once and deliver genuinely generous payouts.
INFECTIOUS KRAKEN WILDS
The INFECTIOUS KRAKEN WILDS feature is one of the most entertaining and unpredictable. It activates a special WILD symbol that substitutes for regular symbols except all BONUS symbols, and after the reels stop, at least one such WILD symbol will always appear on the grid. But it doesnβt behave like a standard WILD β it starts gradually turning neighbouring symbols into WILDs too. Thanks to this spreading effect, a large part of the grid can be filled with winning symbols in a single spin, significantly boosting your chances of big and unexpected wins.
SUNKEN TREASURE BONUS
The SUNKEN TREASURE BONUS feature takes you on a hunt for treasure hidden on the seabed and triggers when a BONUS symbol lands on reels 1 and 3, and a CHEST BONUS symbol lands on reel 5. Once the bonus is activated, youβll choose from three chests, each hiding a random cash prize. If you keep hitting cash prizes with your picks, you can continue and collect more rewards. However, at any time you can choose to press the COLLECT button to take your current winnings and end the bonus round.
ROAMING KRAKEN FREE SPINS
The ROAMING KRAKEN FREE SPINS feature triggers when a BONUS symbol lands on reels 1 and 3, and a FREE SPINS symbol lands on reel 5 at the same time. Before the Free Spins begin, youβll pick from chests containing rewards of +1, +2, or +3 free spins β in total, you can win up to a maximum of 12 Free Spins. Once you hit the COLLECT item, the picking ends and the round starts with the total number of free spins youβve collected. During this feature, the game is played on 40 paylines and the round starts with a 1x multiplier. Every WILD symbol that appears increases the multiplier by 1x for all remaining free spins, up to a maximum of 10x. WILD symbols also stay on the grid and change position with each Free Spin, which can significantly increase your chances of landing some exciting wins. The feature cannot be retriggered, and throughout it you play on special reels.
Buy Free Spins
The Buy Free Spins feature lets you instantly skip the base game and launch the Free Spins round without waiting. Simply pay 100x your current total stake and the game will immediately offer all the benefits that Free Spins bring β including an increased number of paylines, multipliers, and special WILD symbols. This option is ideal for players who want to jump straight into the most thrilling part of the game and maximise the win potential.
Prize table
Symbol
Multiplier
3x in payline
4x in payline
5x in payline
WILD symbol
5x
20x
50x
Release the Kraken
5x
20x
50x
Shark
4x
10x
25x
Turtle
4x
8x
20x
Blue fish
2x
6x
15x
Green-yellow fish
2x
6x
10x
Letter A
1x
2x
8x
Letter K
1x
2x
8x
Letter Q
0,5x
1x
4x
Letter J
0,5x
1x
4x
Our rating of the game
Release the Kraken
The Release the Kraken slot offers an exciting, visually striking high-volatility experience that will appeal to players looking for adrenaline-fuelled spins. The combination of WILD symbols and various bonus features, including Free Spins and random respins, delivers dynamic and unpredictable gameplay. Special effects and multipliers increase the chance of big wins. The slot is ideal for those who enjoy suspense and larger-scale rewards. With well-crafted bonuses and visual effects, every spin becomes an experience.
Within this profile, we publish articles, reviews, and evaluate games and casinos on behalf of our main team of specialists. The most important texts and reviews are not the work of individuals but are created through the collaboration of the entire editorial team. For this reason, all these contributions and evaluations are presented under a common profile.
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Software provider
Game typeSlot
Reels
Winning paylines20 paylines
