Serial Slot Review (NoLimit City)

RTP: 96.04%

Provider: Nolimit City

Best casinos: All British Casino, Kwiff Casino, Dream Vegas, Grand Ivy Casino, Las Vegas Casino

Serial Key Features

RTP: 96.04%

Provider: Nolimit City

Volatility: Insane

Theme: Horror

Reel style: 5-7-7-7-5

Paylines: 243

Stakes: £0.20 - £100

Max Win: 74,800x


Free Spins





xSplit Wilds

Infectious xWays


Nolimit City is back with yet another gritty release with Serial putting us on the run from the brutal Bodycam Butcher who is ready to kill anyone that he sees.

It isn’t just the Bodycam Butcher who is brutal but the slot itself can be described in the same way with Nolimit City no stranger to releasing brutal games with high volatility to really put you on the edge while spinning.

This latest release gives pretty much every Nolimit City feature all in one game with xSplit, xBet, xWays, Infectious xWays, xNudge and xBizarre all being able to be triggered in this one.

This dark serial killer slot has a Max Win of 74,800x which is triggered in a way that we’ve not seen in a slot game before, but we’ll go into more detail around that later on.

Casinos that offer Serial slot sorted by RTP

100% up to £300 + 25 bonus spins on Starburst

  • Wagering req. 35x
  • Value/free spin £0.10
  • Offer amount £302.50
18+. New players only. One bonus offer per player. Minimum deposit £20. Max bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed. Bonus funds are 100% match up to £300 on your 1st deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds contribute towards any wagering requirements. Terms apply.
#ad. 18+,, T&Cs Apply

Wager on any slot & get 200 Real Money Free Spins!

  • Wagering req. 0x
  • Value/free spin £0.10
  • Offer amount £20
New customers only, wager £20 on slots and get 40 cash free spins for 5 consecutive days. £20 stake on slots each day within 5 days of 1st deposit to qualify. £0.1 spins on Book of Dead. £250 total max withdrawal. Full T&Cs apply.
#ad. 18+,, T&Cs Apply

100% up to £100 + Always 10% Cashback!

  • Wagering req. 35x
  • Value/free spin -
  • Offer amount £100
#AD New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply
#ad. 18+,, T&Cs Apply

100% Match Bonus up to £300 + 150 Bonus Spins

  • Wagering req. 35x
  • Value/free spin £0.10
  • Offer amount £315
Max bonus bet £5. Offer: 100% bonus match on 1st deposit + bonus spins. Value of bonus & number of spins depend on deposit amount: £20-£100: max £100 bonus + 50 spins on selected games; £101-£200: max £200 bonus + 100 spins on selected games; or £200+: max £300 bonus + 150 spins on eligible NetEnt Games. Winnings from spins credited as bonus and capped at £100. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds contribute to wagering requirement. Bonus funds expire within 30 days; bonus spins within 72hrs. Affordability checks apply.
#ad. 18+,, T&Cs Apply

100% Welcome Bonus up to £200 + 30 Free Spins on Book of Dead

  • Wagering req. 40x
  • Value/free spin £0.10
  • Offer amount £203
New players only. Opt-in Required. Wager from real balance first. 40X wager the bonus and the winnings from free spins. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 Days from receipt/free spins valid for 7 days from issue. Max conversion for free spins: £100. Excluded Skrill and Neteller deposits. Withdrawal requests voids all active pending bonuses
#ad. 18+,, T&Cs Apply

100 Spin Test

This 100 Spin test was updated by Steve Madgwick on 16/06/2023 

100 spins is not a Real Test

We give every slot a 100 spin test to see just what it can do, or not as the case can often be - 100 spins is no reflection of the likelihood of any other 100-spin session, as RTP's are set over many millions and probably billions of spins. So this 100 spin test is just for entertainment and insight purposes

Element Outcome
Session RTP 21.3%
Win Frequency High 24/100
Biggest Base Game Win 6x
Spins to Bonus n/a
Bonus Paid n/a
Time Taken for 100 Spins 8:46

The Spin Test criteria can be found at the bottom of the page

Test Comments

If you are aware of NoLimit City slots, then this test will be of no surprise. If you are new to NoLimit City slot, then read on and be aware.

Most slots have a medium or high volatility level, NoLimit City introduced Extreme and then went one further to INSANE!!, This is one of those, and this 100 spin test was on the wrong side of that volatility, returning just 21.3% Session RTP against the theoretical 96+ And that's ok, if you know in advance

The win frequency is as it normally is on the high side with 24 spins from the 100, but the vast majority are below stake, and the biggest in this session was a paltry 6x - Again, as one might expect with this provider

The bonus round were not achieved so nothing to report there, and as always with NLC slot, just tread carefully and don't go chasing rapid losses, this volatility level is insane, and so can both wins and losses be.

Serial Expert Review

Theme & Symbols
Bonus Features
Max Win (74,800x)
Sounds & Music
RTP (96.04%)

Game Data

The latest grim and gory release from Nolimit City is Serial with its morbid theme, a consistent one that we’ve seen in many games from the provider in recent months. The Bodycam Butcher, complete with a mask that looks like it’s made of human skin, is on the loose ready to strike fear into the hearts of the player. 

The symbols in this game are all pretty grim, with base symbols seemingly a range of tools and equipment that the serial killer used to murder one of his victims. The top premium symbol is the Bodycam Butcher himself, with a detective also a premium all the way down to the lowest premium symbol of a dead body’s bones scattered on a floor.

Stakes in this game start at 20p and go up to £100 with the RTP set to 96.04%. 

OLBG has a huge list of the best online slots ranked and reviewed by experienced slot players.

 Slot Review Key Features
Studio NoLimit City
Theme Horror
RTP % 96.04%
Volatility Insane
Reel Style 5-7-7-7-5
Paylines 243
Stake Range £0.20 - £100
Max Win 74,800x
Special Symbols xWays, xNudge Wild, Wild, xSplit Wild, Scatter
Features The Search and The Kill
Jackpot None

Graphics, Music, and Sound Effects

Serial’s graphics are similar to a lot of Nolimit City games that we’ve seen in recent times with the studio not afraid to make games that have darker themes.

This game has creepy music to match the graphics that are part of the game with eerie bloody symbols on the reels. The enhancer cells at the top and bottom of the reels all have the police crime scene do not enter tape across them while they remain locked. The blood on the final enhancer cells makes the game even creepier.

The slot has a similar feel to Mental with it using similar features to that one and sound wise the game fully keeps you locked in while you play it. 

Key Features

As with all of our slot game reviews it’s important that we go through the different features in the game so that we really get to grips with it before we play.

We’ll go through the Serial theme as well as telling you the best features in the game.

Theme – Murder

We have a shocking theme in Serial with Nolimit City really testing the limits that they can take their releases too with each game seemingly more and more shocking than the last one.

Brutal is a word that we keep thinking of when describing this game and it’s clear that Nolimit City wants you to feel that way while playing their game with blood all over the reels.

The Scatter symbols all feature a missing woman with a number to call for any information and it looks increasingly likely while playing that we won’t be able to save her in time! 

xBet features in this game at a cost of an extra 20% of your stake, but this gives you a guaranteed Scatter symbol on the second reel.


Serial features 5 reels & 3-3-3-3-3 rows that can go up to 5-7-7-7-5.


There are 243 winways in Serial. 


As with every slot game one of the most important bits of information is the Return to Player and it’s no different with Serial. The RTP in this game is 96.04%.

As always this percentage is not the same everywhere and online casinos often alter these figures according to their current policies. To spare you the trouble, we shared a list of UK casinos where you can play this game and the respective RTPs found there.

For an even more informed decision, we advise you to check our reviews and read about the casino's welcome bonuses and deals, game libraries, customer care, payment options, and other things available in each casino.

Casino RTP% Review
All British Casino 96.08 Read Now
Kwiff 96.08 Read Now
Dream Vegas 96.08 Read Now
The Grand Ivy 96.08 Read Now
Las Vegas Casino 96.08 Read Now

Several top-ranking operators have the Serial slot in their offer, and many of them include a solid RTP for this title. Those who want to try other releases in well-established casinos should check the list of slot sites we recommend.

Stake Range

The stake range will of course vary from different sites with some capping the stake due to its volatility but the Nolimit City site states stakes from 20p to £100.

xBizarre Max Win

The Serial online slot limits the maximum win at 74,800x the player’s bet.

The Max Win can be made in a way which we’ve not seen on a slot before with chances of getting your win up. If your win is better than 18,700x you are then given a 50/50 chance of getting an additional 18,700x on top of that, with three potential times available. Making a wrong choice stops this run but any winnings earned up to then are accounted for.

Free Spins

Serial has two bonus rounds that both need 3 Scatter symbols to land.

Landing 3 Scatter Symbols triggers The Search bonus. This bonus starts off with the number of spins that the 3 symbols have on them. Enhancer cells open up further on reels 2, 3 and 4 to make a bigger reel area with more wins. Hitting an xSplit symbol on this bonus activates The Kill spins.

3 Scatters and 1 xSplit Symbol triggers The Kill bonus which gives you free spins once again with a jumping wild also available in this one on reel 5. Mega wins can become available in this bonus round.


The Serial online slot game doesn’t have a jackpot prize but does have a Max Win of 74,800x available to be won in a single spin.

OLBG has a page where you can find the best jackpot slot games if you are genuinely interested in such titles with big jackpots available.

Play Experience & First Impressions

Nolimit City really aren’t messing around with the games that they have been releasing and Serial is no different with this game all around the Bodycam Butcher. My first impression of this slot is that there really does seem to be no limit of what the company will do with their slot releases, pardon the pun. The game looks absolutely beautiful, despite the grim theme to it, with their creativity just shining time and time again.

The insane volatility in this one is clear to see while you’re spinning with the wins fairly hard to come by unless you decide to play the xBet spins which costs an extra 20% of your stake. There are so many different feature options with the loading screen showing all of the different x features that Nolimit City have all available in this slot.

It’s nice to see another massive Max Win available and Serial has a different way of achieving it compared to other games we’ve seen previously with 50/50 options on anything over 18,700x to take you up to the 74,800x that this game can eventually reach.

Expert Verdict

Serial is another release by Nolimit City that won’t appeal to everyone but will get a whole lot of love from fans of the provider. A casual slot player may not like the dark and gritty graphics that come with this game but it comes as no surprise to anyone that Nolimit City can produce a game like this one.

There are numerous different features that Nolimit City offer that are available in this game with xSplit, xWays, Infectious xWays, xNudge and xBizarre all contributing to one of the most volatile slot releases we’ve seen from the provider in recent months.

Keep looking behind your back at all times so you can beat the Bodycam Butcher and get the massive wins that the game can potentially offer!

Editorial Information

Serial slot review was written by the OLBG Slots Content Team, beginning with Andrej Trajkovski, who has worked in the online gambling industry since 2013, playing and reviewing online slots and casinos daily for the past four years. 

Contributing to the review was Jake Ashton, a slots fan who is also part of the casino and sports betting team here at OLBG and Jenny Mason with Online Casino, Bingo and Slots Experience from over 15 years in the industry. 

The review is Fact Checked by William Westerlund, an online casino expert reviewing casinos and slots for over five years, and published by Steve Madgwick, our Editor-In-Chief with over 18 years of experience creating and managing high-quality sports betting and Casino content for OLBG & multiple other publications and a self-confessed online slots fans who has played at 100's of the best slot sites online and completes the Spin tests.

100 Spin Test Criteria

The 100 Spins test is undertaken on a demo slot, staking 100 spins at £1 per spin

Session RTP - Return to the player after 100 spins - Eg, A return of £45 from 100 spins is 45%, or a return of £107 is 107%

Win Frequency - A winning spins to spins frequency, higher frequency regardless of prize, is often more entertaining.

  • 0-10 Very Low
  • 11-15 Low
  • 16-30 Medium
  • 21-35 High
  • 36+ Very High

Biggest Base Game Win  - Highest single base game spin winning value

Spins to Bonus - How many spins were completed before the main bonus round was achieved

Bonus Paid - Value of bonus once complete

Time Taken  - How long did the 100 spins take to complete?


Serial Slot FAQs

  • Does the Serial slot game have a jackpot?

    the Serial slot game does not have a direct jackpot prize. However, it offers a maximum win of 74,800 times the player's bet, which can be achieved through gameplay.

  • What are the bonus rounds in the Serial slot game?

    The Serial slot game has two bonus rounds triggered by landing 3 Scatter symbols:

    The Search: This bonus round starts with a number of spins indicated by the Scatter symbols. Enhancer cells open up on reels 2, 3, and 4, increasing the reel area and potential wins. Landing an xSplit symbol in this bonus activates The Kill spins.

    The Kill: This bonus round is triggered by 3 Scatter symbols and 1 xSplit symbol. It awards free spins, and a jumping wild symbol appears on reel 5. Mega wins can be achieved in this bonus round.

  • What is the RTP (Return to Player) for Serial, and what does the volatility score mean?

    The RTP for Serial is 96.04% and the volatility score for this game is insane. This gives a volatility rating from Nolimit City of 5/5

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