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Serial Slot RTP, Details and Wager Limits
Reels/Paylines: 5 reels + 243+ ways to win
Stakes Range: 20p to £100 per spin
Max Win: 74,800 x bet
The Serial slot is played initially with 5 reels, 3 rows and 243 ways to win. Landing 3, 4 or 5 matching symbols from left to right will form a winning combination. The symbols needs to start on reel 1, on adjacent reels and in any position.
Stake options range from 20p to £100 a spin. There is a Dollar Sign icon below the reels (to the left). Pressing this will bring up all available bet options on 1 screen conveniently. For non UK slots players, there are a couple of options you have when playing. There is a Turbo Mode for faster spin speed and an Autoplay function where you can choose 10, 25, 50, 100, 250 or 1,000 autospins with balance and single win limits.
The Serial RTP is 96.07% which is slightly higher than the 96% online slots average. 62.43% of that return comes from the base game and 32.49% from the bonus features. You may find the 94.08% RTP version at some UK online casinos though so make sure you check which version you’re playing at your chosen casino.
As expected, the volatility is rated as extreme (10/10). This means big wins will be few and far between but the probability for big wins in a short time span is higher. Winning combinations will land every 3.62 spins on average as the hit frequency rate is 27.59%.
In terms of payouts, the max win per spin is 74,800 x your total bet. However, the max win probability is 1 in 12 million spins on average. It’s expected to take 888 spins on average to win 100 x your total bet or higher whilst triggering free spins will take 243 spins (again on average).
Theme – there’s a serial killer on the loose
Theme: Serial Killer
High Value Symbol: Bodycam Butcher
Compatibility: Mobile, Tablet, Desktop
With a serial killer theme, the Serial slot is about a psycho on the loose. Set in Limitless City, police are on the hunt for a suspect involved in mass serial homicide. With multiple victims reported missing, there are rumours they have been violently dismembered with a rusty chainsaw.
The suspect is a 6 feet 9 male who has been nicknamed the Bodycam Butcher. He has no fear as he is fear. Thirsty for blood which grows every night, he shows no mercy to his unfortunate victims. The Bodycam Butcher looks a lot like the Leatherface character from The Texas Chainsaw Massacre film series. The reason for his name is that he wore masks of human skin with the chainsaw being his signature weapon.
Taking place in a dark and sinister bathroom, there is blood on the shower curtain as well as splattered on the walls. This crime scene is as dark as it gets and tops the gory and disturbing imagery used in Nolimit City’s Mental slot. In terms of the soundtrack, it’s heavy rock metal which adds to the intensity of the source material. Overall, the theme may be dark and disturbing, but credit has to be given to NLC who have again produced a brilliant game, aesthetically at least.
On the reels, symbols include 5 crime scene objects including hard hats, shovels, gloves, chains (from a chainsaw) and butcher meat hooks. The higher value symbols include a human skeleton, scared lady, bloodied doctor, special agent and the Bodycam Butcher himself. The Bodycam Butcher is the best paying symbol with 0.5, 0.8 or 5 x your total bet awarded for 3, 4 or 5 in combination.
Importantly, there are many other symbols to look out for. There is the Gas Canister Wild symbol which substitutes for all paying symbols mentioned above. Others include xWays, xNudge Wilds, xSplit Wilds and Missing Poster Scatters. With more details available in the Bonus Features section, here’s a table highlighting all symbols you’ll come across:
|Hard Hat||3, 4 or 5 = 0.1, 0.2 or 0.5 x bet|
|Shovel||3, 4 or 5 = 0.1, 0.2 or 0.6 x bet|
|Gloves||3, 4 or 5 = 0.1, 0.2 or 0.7 x bet|
|Chainsaw Chain||3, 4 or 5 = 0.2, 0.3 or 0.8 x bet|
|Butcher Meat Hook||3, 4 or 5 = 0.2, 0.3 or 0.9 x bet|
|Human Skeleton||3, 4 or 5 = 0.3, 0.4 or 1 x bet|
|Scared Lady||3, 4 or 5 = 0.3, 0.4 or 1.5 x bet|
|Bloodied Doctor||3, 4 or 5 = 0.4, 0.5 or 2.5 x bet|
|Special Agent||3, 4 or 5 = 0.4, 0.6 or 3 x bet|
|Bodycam Butcher||3, 4 or 5 = 0.5, 0.8 or 5 x bet|
|Gas Canister Wild||Substitutes for symbols above|
|xSplit Wild||2x Wild + splits all symbols on same row into 2 symbols|
|Missing Poster Scatter||Triggers The Search + The Kill features|
The game has been made using HTML5 technology. Optimised for mobile, tablet, laptop and PC play, the game is best played on 1280x720px and/or 16:9 ratio devices. If you’re using a smartphone, it’s compatible with iOS, Android and Windows mobile phones. For the full sinister experience, a bigger screen is always best.
Serial Bonus Features
The Serial slot has 10 bonus features. Wins give you respins which lead to Enhancer Cells opening. This gives you more ways to win as well as special symbols which increase the number of ways to win as well as adding stacked wilds with increasing multipliers. This applies in the 2 free spins features. There is a unique xBizarre feature where you can gamble wins up to 74,800 x bet. However, losing your gambles won’t result in your win being wiped away.
When you land a winning combination, the Respin feature is triggered. Winning symbols stick on the reels with a free respin awarded. Respins continue as long as more winning symbols land on the reels. Furthermore, each respin will see 1 Enhancer Cell at the top and bottom of the grid open up from left to right, 1 reel at a time. This basically gives you more ways to win. At it’s maximum, there’s up to 8,575 ways to win on 5x7x7x7x5 grid.
Enhancer Cells feature
The Enhancer Cells feature is a bonus round found in other Nolimit City slots like San Quentin, The Rave and Mental. It’s activated when a respin is awarded. 1 of the Enhancer Cell positions will see 1 of the following symbols land:
|xWays||Reveals 2-4 paying symbols of the same kind. If more than 1 xWays symbol lands, all xWays symbols will reveal the same symbol.|
|xNudge Wild||A stacked wild symbol that always nudge to become fully visible lands. Every nudge sees the multiplier increase by 1.|
|Wild||A regular Gas Canister Wild symbol lands.|
|Character||Any of the high paying character symbols can land.|
xSplit Wild feature
Look out for the xSplit Wild symbol which is a 2x wild and represented by a chainsaw. Landing only on reel 5 (the rightmost reel), the chainsaw xSplit Wild splits all symbols in the same row into 2 symbols.
Increasing the number of ways to win, Missing Poster Scatters can also be split which then doubles the number of free spins they award. Finally, xNudge and xWays symbols can also be split. This doubles the multiplier of the xNudge symbol and doubles the sizes of the xWays symbols.
xNudge Wild feature
There’s also an xNudge Wild feature. A stacked wild symbol will always nudge to become fully visible. Every nudge sees the multiplier increase by 1. The xNudge Wild only lands on reels 2, 3 and 4 though. As mentioned above, an xSplit Wild can split the xNudge Wild which doubles the multiplier.
Infectious xWays feature
Present in the Karen Maneater slot, there is an Infectious xWays feature. xWays symbols only appear in Enhancer Cells or can be transformed from a scatter. Revealing 2-4 symbols of the same kind and increasing the number of ways to win, the revealed xWays symbol will infect all of the same normal sized symbols on the 5×3 grid to expand to the same size.
The Search feature
The Search feature is triggered by landing 3 Missing Poster Scatter symbols on reels 2, 3 and 4. Landing 2 of them will see them transform into xWays symbols.
Every scatter continues a free spins value. All values are totalled which equates to the number of free spins you’ll begin with. Once in, extra Enhancer Cells on reels 2, 3 and 4 open up. This sees a 3x5x5x5x3 setup giving you 1,125 ways to win initially. If you land an xSplit Wild symbol, you will activate The Kill feature with 2 additional free spins. This occurs once every 31 features on average.
The Kill feature
Then you have The Kill feature which is played when you land 3 Missing Poster Scatters plus 1 xSplit Wild. You can also trigger it from The Search feature by landing an xSplit Wild where 2 extra free spins are awarded. Importantly, the xSplit Wild symbol remains in place on reel 5 which can jump up or down randomly.
If you want to increase your chances of trigger 1 of the free spins feature, you can enable the xBet feature. Costing 20% more per spin, you are guaranteed a Missing Poster Scatter symbol on reel 2.
At minimum and maximum stakes, it will set you back 24p to £120 per spin. The RTP decreases slightly as a result to 96.04%. On the other hand, triggering the free spins will take approximately 120 spins (on average) as opposed to 243 without the xBet feature.
With max wins of 74,800 x your total bet, the maximum win is the base game or any free spins feature is 18,700 x bet. If you win this amount, you will be given the chance to use the xBizarre feature.
With 3 stages available, every choice has a 50/50 chance to win an additional 18,700 x bet up to 3 times.
It’s a gamble feature where you cannot lose!
Essentially a gamble feature, making a wrong choice will not see you lose your original win amount. If you get all stage choices correct, you’ll win the max 74,800 x bet available (4 x 18,700 = 74,800).
Nolimit Bonus feature
Lastly, there is a Nolimit Bonus feature which is a Buy Bonus element. Unfortunately, this option is not available in the UK but it does allow you to buy your way into the free spins features. Activated by pressing the yellow Star icon to the left of the reels, you have 3 choices. The RTP also is enhanced. Here are all the details:
|78 x bet||The Search||96.27%|
|480 x bet||The Kill||96.38%|
|279 x bet||Lucky Draw||96.38%|
Serial Review Summary – theme as brutal as the gameplay
First of all, one must be thinking what goes on at Nolimit City’s headquarters to come up with such a disturbing theme/concept as found in the Serial slot. Based on the merciless Bodycam Butcher, Nolimit City have gone all out and outdone the gore and controversy offering in the Mental slot.
With spine-tingling screams and terrifying visuals, the heavy metal rock soundtrack compliments the game perfectly. The gameplay is just as nuts with respins leading to Enhancer Cells being unlocked. This then unleashes other symbols which increase the number of ways and adds stacked wilds with increasing multipliers.
The 2 free spins features are where the bigger wins will come from with a larger grid/play area initially. Respins can prolong the features too. The most important symbol is the xSplit Wild which sees a chainsaw hack symbols into 2 to increase the number of ways to win. I found the free spins features to go insane when the right combination of symbols land.
With 18,700 x bet max wins available, it will take approximately 1.4 million spins to occur in the base game. From The Search feature, it will take approximately 265,000 spins. In The Kill feature, it will take 16,000 spins. That said, it’s more likely to win 18,700 x bet than the actual max win (from the xBizarre feature).
Uniquely, the xBizarre feature allows you to gamble wins of 18,700 x bet up to 74,800 x bet. The great thing about this feature is that losing the gamble won’t see you lose your current win. It’s sure to be very popular with slots players.
In summary, Serial isn’t for the faint-hearted. The disturbing theme will spark controversy surely but Nolimit City are the masters of this. With 74,800 x bet max wins, the new xBizarre feature is the only way to achieve this as you hope to add 18,700 x bet wins for each successful gamble. There is no risk though so it’s more than welcome.
With Serial offering everything you want, it makes Online-Slot.co.uk’s top slots list. Check out the other best slot games for UK players including titles from Nolimit City, Relax Gaming and NetEnt.
The Serial RTP rate is 96.07% which is just north of the 96% online slots average. With 62.43% coming in the base game and 32.49% from the bonus features, this extreme volatile slot offers a 27.59% hit frequency rate (a win every 3.62 spins).
The max win is 74,800 x your total bet. With 18,700 x bet wins available in the base game or from a free spin, you can gamble it up to 3 times with the xBizarre feature. The good news is that losing your gamble won’t mean you lose your win.
Yes, there are 2 free spins features. The Search feature sees you begin with 1,125 ways to win with all the base game extras in play. The Kill feature is the same but there’s an xSplit Wild permanently jumping on reel 5 which lead to more ways to win and bigger wins.
Yes, Serial slot demo can be played here at Online-Slot.co.uk for free. Evade the brutal Bodycam Butcher on mobile, laptop, PC and/or tablet devices.