Player return
96.5%
Minimum bet size
0.20
Slot format
Video Slots
Variance
High
Reel count
5
Progressive jackpot
No
Popularity
Maximum bet size
100
Provider
Pragmatic Play
Bonus features
Yes
Paylines
20
Theme
Kraken
Release the Kraken online slot game
Release the Kraken is an online slot built around high-paying symbols, reel-infecting wilds, 3x4 wilds and multipliers available in the base game. It also offers 2 bonus games: one awards random cash prizes, while the other can grant up to 12 free spins, with possible x10 multipliers and 10 sticky wilds.
Theme and storyline
Release the Kraken is a colourful underwater slot set deep in a tropical ocean, beside a sunken ship dragged beneath the waves by the Kraken itself.
Graphics, sound and animation
The bright marine symbols feature smiling sharks and grinning tropical fish swimming across the reels. The background is just as picturesque, with bubbles rising through the water and underwater plants moving with the current. Even before a spin begins, the lively artwork and gentle animation suggest that this slot is built around plenty of action, visual movement and sound effects.
Top Casinos to Play Release the Kraken:
Gameplay
Release the Kraken uses 5x4 reels with 20 pay lines in its online video slot format. During the free spins bonus, an extra 20 pay lines are added, taking the total to 40 and creating more opportunities for winning combinations.
There are 10 regular symbols used to form combination wins. The highest-value symbols are the Release the Kraken logo and the wild symbol, and both can pay 500x, 200x, or 50x the ‘bet per line’. The other 8 regular symbols are the grinning shark, sea turtle, blue tropical fish, yellow tropical fish, A, K, Q, and J. Every symbol can be replaced by the ‘bubble wild symbol’ or one of the 3 randomly triggered wild features.
Press the ‘i’ button to open the paytable and view the payouts for each symbol. To work out your ‘bets per line’, multiply the ‘coin value’ by the number of coins wagered, then divide that total by the win amount displayed in the paytable.
The reels also contain 3 scatter symbols: the ‘Bonus’, ‘Free Spins’, and ‘Chest Bonus’ scatters, which are detailed in the following section.
Bonuses and free spins
Random Spins Feature: At a random point, you can be invited to choose between 3 tentacles.
- Kraken Locking Wilds: The reels keep spinning while 1 of 3 chests is chosen at random. The selected chest awards one of these outcomes: additional wilds on the reels, continued spinning, or a x2 multiplier.
- Colossal Kraken Wilds: Once the reels stop, a Kraken wild symbol measuring 3x4 lands across the reels.
- Infectious Kraken Wilds: 1 or more Kraken wild symbols land on the reels and spread to adjacent positions, potentially filling the reels with wild symbols.
Sunken Treasure Bonus: Land the ‘Bonus’ symbol on reels 1 and 3, followed by the ‘Chest Bonus’ on reel 5, to activate this feature. A ‘pick me’ game then presents 3 treasure chests, from which you choose one to receive a random cash prize.
Roaming Kraken Free Spins: Land the ‘Free Spins’ symbol on reels 1 and 3, then the ‘Chest Bonus’ on reel 5, to trigger this feature. Before the free spins start, keep selecting chests until one opens to reveal ‘collect’; the free spins round then begins.
Each chest contains 1, 2, or 3 free spins, so revealing more chests before ‘collect’ appears gives you more spins. The maximum award is 12 free spins. This round uses 40 pay lines and begins with a x1 multiplier, which rises by x1 whenever a wild symbol lands. The maximum number of multipliers is x10.
Wild symbols also remain stuck on the reels and move to a new position after every free spin. This means you could have up to 10 wilds and x10 multipliers active at the same time.
Bet sizes, RTP and variance
You can adjust the wager through ‘Coins’, ‘Coin Value’, or ‘Total Bet’. The ‘Total Bet’ box allows a minimum of 0.20 and a maximum of 100.00 per spin. Over time, the stated RTP indicates that 96.5% of bets are expected to be returned. Pragmatic Play gives Release the Kraken a 4/5 volatility rating, placing it in the medium/high variance game category.
Conclusion
Players who enjoy action-heavy slots and the prospect of larger wins may find plenty to explore in Release the Kraken. The base game contains 3 random wild features as well as 2 bonus games. Its free spins round is the main feature for pursuing bigger wins, combining sticky wilds, multipliers and 40 pay lines.
With 12+ years of experience in the iGaming industry, Evan specializes in reviewing online casinos, analyzing slot games, and evaluating player safety. Their expertise covers casino licensing, RTP, volatility, bonus conditions, and withdrawal policies. Through hands-on testing and independent research, Evan delivers transparent, fact-based reviews to help players better understand gambling platforms, their features, and potential risks.
