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Slingo Berserk

Review, Demo Play, Payout, Free Spins & Bonuses

Slingo Berserk is an online slot produced by the team at Slingo Originals.  ...

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  • Innovative bingo-based gameplay
  • Fantastic-looking graphics and animations
  • Chance of winning up to 1,000x the stake
  • Additional spins can cost far more than the initial stake
  • Big wins are very hard to achieve

This title has an RTP of 95.0% and medium volatility. Slingo Berserk is played on a 5x5 grid and is a cross between an online slot and a game of bingo. This title has a top prize of 500x the stake and a Mega Jackpot of 1,000x the stake.


A cross between an online slot and Bingo, Slingo Berserk is a new Slingo Original title played on a 5x5 grid with 12 separate winning lines.

Each game will run for 11 spins, whilst you can then pay for as many spins as you like following this. The additional spins can help you reach the bigger prizes but can cost far more than your initial stake.

Theme and Graphics

Slingo Berserk looks great, with a stormy sea behind the game board. The Viking Berserkers appear on the longboats to the right of the reels, each displaying the jackpots that could be won if the bonus game is triggered.

Another nice touch is the range of Viking-based puns, such as "The Plunder Years" and "Random Axe of Kindness", which appear at the bottom of the reels. 

Slingo Berserk

Slingo Berserk RTP and Variance

The RTP of Slingo Berserk is 95%, which is low for a traditional online slot but in line with the other titles in the Slingo Originals portfolio. The medium volatility should provide a balance between the value of lower and higher-end wins. Remember that the big wins do not come along often, so they need to be played for patiently.

How to Play Slingo Berserk

  1. It is usually recommended to take a look at the game rules when starting a new game for the first time. When playing a game like Slingo Berserk, which is very different from most traditional online slots, taking a look at the game rules is vital. These rules can be found by clicking the three-line menu at the top right of the screen and then selecting the "Help" option.
  2. The paytable is found on the left-hand side of the screen, displaying all possible win amounts.
  3. Set your bet by using the buttons in the bottom left of the screen. Changing your bet amount will also change the win amounts displayed in the paytable.
  4. Once you are happy with your bet level, click the 'Start Game' icon to the bottom right of the game board. This will set off the 11 core game spins. 
  5. When wilds appear, select any number that is glowing to continue the game.
  6. At the end of core spins, you have the option to continue spinning. These spins are paid for, with the cost of each spin depending on your position in the game. The more you stand to win, the more the spins will cost. These spins do not need to be taken, and the cost of them can far outstrip your initial stake.
  7. Games like Slingo Berserk can become very expensive, very quickly. The sunk-cost fallacy definitely comes into play here. Know when to walk away during a game, and when the fun stops, stop!

Bet Sizes & Paytable Wins

Each game of Slingo Berserk runs for 11 core spins and as many optional paid spins as you choose to take. Your stake for the game will always cover the 11 core spins. 

Slingo Berserk can be played for a minimum stake of 0.20 and a maximum stake of 100.00.

Covering all 25 numbers on the grid gets you the Full House prize of 500x the stake.

Completing individual lines returns the following multiples of the initial stake. Your stake for optional spins is not included in these calculations.

10 lines return 100x the stake

9 lines return 40x the stake

8 lines return 20x the stake

7 lines return 10x the stake

6 lines return 4x the stake

5 lines return 2x the stake

4 lines return 1x the stake

3 lines return 0.5x the stake

Slingo Berserk
Max-win 1,000x
Slingo Berserk
Volatility Medium
Slingo Berserk
Top RTP 95%

Slingo Berserk Bonus Features

Lightning bolts appearing in the number row allows you to select any number visible on the column above the position it appears. 

Watch out for the lightning shooting coins up towards the chest. If you see coins cascading down the screen, you will trigger the jackpot game. The Jackpot game provides you with a selection of coins to choose from. These coins reveal Viking helmets when they are selected. You keep selecting coins until you match three helmets. The matching three helmets correspond to a jackpot of up to 1,000x the core game stake.

There is a free spin symbol which adds an additional spin to your 11 core game spins. The free spin symbol does not appear during optional additional spins.

Slingo Berserk Review: Our Verdict

Slingo Berserk will appeal to fans of Bingo games, but other players may find this style of gameplay somewhat grating. This will not appeal to all, but those who persevere will be rewarded with a fantastic gaming experience.

Disclaimer: Slingo Berserk trademark / license is owned by Slingo Originals. This site is not endorsed by Slingo Originals.

Slot Data
Slot Name: Slingo Berserk
Software: Slingo Originals
RTP: 95%
Volatility: Medium volatility
Paylines: 12
Reels: 5
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £100 (GBP)
Top Win: 1000
Features: Bonus Game, Free Spins, Medium volatility, 5 Reels
UK Available in UK? Yes. Slingo Originals have a UKGC license and are allowed to offer their games at UK licensed casinos.


Am I able to play Slingo Berserk for free?

Yes, thanks to the Slingo Originals free slots functionality. Slingo Berserk plays in demo mode exactly the same way as it does when played for real, with the only difference being that real money is not at stake. It is a good idea to take a look at a free demo before putting real money in any online slot, but with a game as different as Slingo Berserk this is absolutely imperative. For more titles with a demo mode, take a look at our index of free play slots.

Are there other Slingo Originals titles worth taking a look at?

If you're a fan of Slingo Berserk, take a look at Slingo Originals' Monopoly. This is an official tie-in with the much loved, rarely completed board game of Monopoly. Played on the familiar game board, with Community Chest and Chance cards to be used in bonus features, Monopoly Slingo is a must for fans of online slots, bingo and the ever-popular property trading game.

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