Free demo, RTP, volatility and bonus features of the Release the Kraken slot by Pragmatic Play.
Dive into the depths of the ocean in Release the Kraken. This 5x4 slot features random underwater modifiers, a Sunken Treasure bonus, and a Roaming Kraken Free Spins round where the grid expands to 60 paylines.
Release the Kraken is an online slot from Pragmatic Play. Pragmatic Play is one of the largest content providers in iGaming, delivering crowd-favorite slots such as Sweet Bonanza, Gates of Olympus and The Dog House along with a full live casino suite.
You can open Release the Kraken here as a no-registration browser demo and study the buttons, the paytable and the feature triggers at your own pace. The free round is useful for judging speed and readability before betting anything.
50%, medium volatility and a stated maximum win of 10,000x. The recorded release date is January 28, 2020. Treat the RTP as an average measured over very long play, not as a session forecast.
The volatility rating shows how bumpy the win distribution tends to be, and the max win marks the ceiling of the maths model.
Gameplay tags associated with Release the Kraken include Bonus Buy, Sticky Wilds. Those labels are a shortcut to the mechanics you will meet in play. Fuller detail follows in the rules section. Meanwhile, the paytable inside Release the Kraken remains the authoritative source for payouts and trigger requirements.
Run Release the Kraken at a couple of different stake levels, watch how the ordinary wins form and note what changes when a special symbol lands. Opening the information panel before the first spin, and again after changing a setting, keeps the paytable and options in view.
Over a longer sample the balance movement shows how much of the return comes from the base game rather than the features.
The same game can ship with more than one RTP setting depending on the market and the operator, which makes it worth verifying the numbers in the live client. Demo play is practice, not a forecast. Play with money you can afford to lose, take breaks, and never try to win a loss back.
Trigger random modifiers (Kraken Locking Wilds, Colossal Kraken Wilds, Infectious Kraken Wilds) on any spin. 3 Bonus symbols activate features: Sunken Treasure (cash prizes) or Roaming Kraken Free Spins. Free Spins start with a pick-and-win game to determine the spin count.
During Free Spins, the game expands to 60 paylines, and every Wild remains on screen, moving to new positions each spin while increasing the win multiplier by 1x.
How to play the Release the Kraken demo: open the game, wait for the interface to finish loading and review the paytable or help menu before starting. Choose a comfortable virtual stake with the on-screen controls, then begin a round and let the result complete before changing settings. The demo uses play credits.
But the controls and feature sequence are designed to mirror the corresponding game experience.
For this slot format, set the virtual stake and press spin. Winning combinations are evaluated according to the paytable after the reels or grid settle. Check whether the game uses paylines, ways, clusters or another win system. That is because this determines how matching symbols connect. Wilds, scatters and bonus symbols may follow separate rules.
The mechanics recorded for this title are Bonus Buy, Sticky Wilds. A Bonus Buy label means direct feature access may be offered in eligible versions. Compare its virtual cost with the normal trigger route. Sticky Wilds remain fixed for the period defined by the relevant feature.
So note exactly when they appear and when they reset. Feature labels summarise the catalogue entry. But the game screen determines the exact trigger, duration and payout calculation.
50% RTP, medium volatility and a maximum win of 10,000x. RTP is calculated across a very large number of rounds and cannot forecast a short demo session. Volatility describes the intended risk pattern: higher settings generally mean outcomes may be less frequent and more uneven.
A maximum win is a ceiling and should never be treated as a likely target.
During testing, watch the stake shown before every round, the balance change after settlement, the symbols or events that trigger features and any multiplier that remains active. Try the base game first instead of immediately selecting an optional shortcut.
If autoplay is available, set a limited number of rounds and stop conditions so the session remains easy to follow.
Availability, RTP and feature settings may differ between operators or countries. Always use the paytable and help menu in the exact version being played. Real-money gambling involves financial risk. Use fixed limits, take breaks and never increase a stake to recover a loss.
Last checked: 2026-09-11
Free demo mode: this game runs with play money only — no real-money wagering and no winnings.
18+ only. Gambling involves risk — play responsibly, set deposit and time limits, and never play with money you cannot afford to lose.
Release the Kraken is an online slot developed by Pragmatic Play, released in 2020. It is built around bonus_buy and sticky_wilds. Use the free demo on this page to test the reels, bet steps and feature triggers with play money first.
On paper, Release the Kraken offers a return to player (RTP) of 96.50%, medium volatility and a maximum win of 10,000x. In practice that means hit frequency and payout size stay in balance. That suits most session lengths. RTP is a long-run average across millions of spins, not a promise for a single session.
Play Release the Kraken for free here to compare it with other Pragmatic Play titles, then use the casino list on CasinoCheck to find a site that carries the game for real money. Bonus terms, payout speed and country availability differ between operators, so check the current conditions before you sign up.
Dive into the depths of the ocean in Release the Kraken. This 5x4 slot features random underwater modifiers, a Sunken Treasure bonus, and a Roaming Kraken Free Spins round where the grid expands to 60 paylines.
Release the Kraken is an online slot from Pragmatic Play. Pragmatic Play is one of the largest content providers in iGaming, delivering crowd-favorite slots such as Sweet Bonanza, Gates of Olympus and The Dog House along with a full live casino suite.
You can open Release the Kraken here as a no-registration browser demo and study the buttons, the paytable and the feature triggers at your own pace. The free round is useful for judging speed and readability before betting anything.
50%, medium volatility and a stated maximum win of 10,000x. The recorded release date is January 28, 2020. Treat the RTP as an average measured over very long play, not as a session forecast.
The volatility rating shows how bumpy the win distribution tends to be, and the max win marks the ceiling of the maths model.
Gameplay tags associated with Release the Kraken include Bonus Buy, Sticky Wilds. Those labels are a shortcut to the mechanics you will meet in play. Fuller detail follows in the rules section. Meanwhile, the paytable inside Release the Kraken remains the authoritative source for payouts and trigger requirements.
Run Release the Kraken at a couple of different stake levels, watch how the ordinary wins form and note what changes when a special symbol lands. Opening the information panel before the first spin, and again after changing a setting, keeps the paytable and options in view.
Over a longer sample the balance movement shows how much of the return comes from the base game rather than the features.
The same game can ship with more than one RTP setting depending on the market and the operator, which makes it worth verifying the numbers in the live client. Demo play is practice, not a forecast. Play with money you can afford to lose, take breaks, and never try to win a loss back.
Trigger random modifiers (Kraken Locking Wilds, Colossal Kraken Wilds, Infectious Kraken Wilds) on any spin. 3 Bonus symbols activate features: Sunken Treasure (cash prizes) or Roaming Kraken Free Spins. Free Spins start with a pick-and-win game to determine the spin count.
During Free Spins, the game expands to 60 paylines, and every Wild remains on screen, moving to new positions each spin while increasing the win multiplier by 1x.
How to play the Release the Kraken demo: open the game, wait for the interface to finish loading and review the paytable or help menu before starting. Choose a comfortable virtual stake with the on-screen controls, then begin a round and let the result complete before changing settings. The demo uses play credits.
But the controls and feature sequence are designed to mirror the corresponding game experience.
For this slot format, set the virtual stake and press spin. Winning combinations are evaluated according to the paytable after the reels or grid settle. Check whether the game uses paylines, ways, clusters or another win system. That is because this determines how matching symbols connect. Wilds, scatters and bonus symbols may follow separate rules.
The mechanics recorded for this title are Bonus Buy, Sticky Wilds. A Bonus Buy label means direct feature access may be offered in eligible versions. Compare its virtual cost with the normal trigger route. Sticky Wilds remain fixed for the period defined by the relevant feature.
So note exactly when they appear and when they reset. Feature labels summarise the catalogue entry. But the game screen determines the exact trigger, duration and payout calculation.
50% RTP, medium volatility and a maximum win of 10,000x. RTP is calculated across a very large number of rounds and cannot forecast a short demo session. Volatility describes the intended risk pattern: higher settings generally mean outcomes may be less frequent and more uneven.
A maximum win is a ceiling and should never be treated as a likely target.
During testing, watch the stake shown before every round, the balance change after settlement, the symbols or events that trigger features and any multiplier that remains active. Try the base game first instead of immediately selecting an optional shortcut.
If autoplay is available, set a limited number of rounds and stop conditions so the session remains easy to follow.
Availability, RTP and feature settings may differ between operators or countries. Always use the paytable and help menu in the exact version being played. Real-money gambling involves financial risk. Use fixed limits, take breaks and never increase a stake to recover a loss.
Yes. The demo on this page runs Release the Kraken with play money — no deposit, no account and no download. Demo balances have no cash value and cannot be withdrawn.
Release the Kraken was developed by Pragmatic Play. You can browse the studio's other titles from the provider page linked at the top of this page.
Pragmatic Play publishes an RTP of 96.50% for Release the Kraken. That figure is a theoretical long-run average; individual sessions can land far above or below it. Some operators run configurable RTP versions, so check the game info screen in the casino you play at.
Release the Kraken is rated medium volatility, which means hit frequency and payout size stay in balance. That suits most session lengths.
The win cap for Release the Kraken is 10,000x. Reaching it usually requires the top feature combination, so treat it as a ceiling rather than an expected result.
Release the Kraken uses bonus_buy and sticky_wilds. The demo above is the quickest way to see how often each feature triggers.
Yes. Release the Kraken runs in the mobile browser on iOS and Android — the demo on this page adapts to portrait screens, and no app install is needed.
All Pragmatic Play slots and free demos