bonus buy slots

Play Free Feature Buy & Bonus Buy Demo Slots

Bonus buy slots, or feature buy slots, are games that allow a player to directly enter the bonus round without triggering the feature in a conventional way. For this privilege, a player will pay, in most cases, 100 times their stake, but amounts can range from as little as 50x bet up to an incredible 5000x the overall stake. Fear not, though; we're giving you the facility to play free bonus buy slots and activate in-game bonus features and modifiers without making a deposit or signing up. Our visitors have access to a comprehensive list of slot games with bonus buy capabilities, so they can get straight into the thick of the action without spinning the reels on a single base game.

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buy bonus demo games & reviews



12 most popular slots with a buy option

The number of slots being developed that offer the chance to buy your way into the feature continues to grow at an incredible rate, and these are now some of the most-played games on our demo portal. This can leave players scratching their heads when deciding which slots to buy the bonus on, so we've decided to compile a list of the best bonus slots currently out there on the market. Check out our recommendations below.


#1 money train 4 (Relax Gaming)

Money Train 4 slot

Vital Stats: RTP 96.10% | Bonus Cost 100x, 500x | Max Win 150,000x | Review & Demo

The final part of the Money Train series slot from Relax Gaming introduced players to the ultra volatile Money Train 4, where modifiers and bonus rounds have the potential to payout wins of up to 150,000x bet. This last release in the franchise also saw Relax change the game format somewhat, with a 6x6 grid active in the gameplay, along with the slot operating on the scatter pays mechanic.

Along with being able to trigger all aspects of the bonus round organically, players can also head over to the buy menu where a standard feature can be purchased for 100x the bet, whilst the enhanced version will set you back 500x the bet to activate.


#2 san quentin (nolimit City)

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Vital Stats: RTP 96.03% | Bonus Cost 100x, 400x, 2000x | Max Win 150,000x | Review & Demo

Continuing with their string of controversial games, provider Nolimit City released the outstanding San Quentin featuring a prison theme, 5 reels, 4,096 ways to win and their now iconic xWays mechanic. However, the biggest draw to this highly volatile release from Nolimit City is its jaw-dropping maximum win of 150,000x the bet.

Utilising the buy menu offers you three free spins rounds to choose from in San Quentin, with additional positions unlocked in the bonus round the higher up you decide to bet.


#3 vikings unleashed megaways (Blueprint gaming)

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Vital Stats: RTP 96.50% | Bonus Cost 100x | Max Win 50,000x | Review & Demo

One of the earliest online slots to include a buy option and, at the time, one of the most popular games online was Blueprint's 6-reel Vikings Unleashed Megaways. Played with up to 117,649 paylines on every spin, it includes mystery symbols, a jackpot of 50,000x bet and a free spins bonus game featuring an unlimited win multiplier.

Four scatters are needed to trigger the free spin round organically, or you can buy the bonus for 100 times the current bet. The big twist to this bonus game is you can gamble your starting spins and win multiplier. Push it too far though, and you could end up with nothing.


#4 Le Bandit (Hacksaw Gaming)

Le Bandit slot

Vital Stats: RTP 96.43% | Bonus Cost 50x | Max Win 10,000x | Review & Demo

Hacksaw Gaming's Le Bandit slot is a cluster pays slot game that is played over a 6x5 reel matrix. The popular cascading reels engine is incorporated into the action, which eliminates winning symbols from the reels and replaces them with new ones. However, it's the win-to-win part of the game that cranks up the excitement levels, as all winning combos leave a mark behind them on the reels. If a rainbow symbol then lands in view, coins and modifiers can be collected, which can lead to some huge wins.

For the exciting bonus round to trigger naturally, you'll need at least three scatter symbols to land in view, but if you'd rather give the entertaining base game a miss, you can hit the buy button and trigger the standard feature for 100x the bet, or the enhanced version for 250x.


#5 sweet bonanza (pragmatic play)

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Vital Stats: RTP 96.51% | Bonus Cost 100x | Max Win 21,100x | Review & Demo

Pragmatic Play's Sweet Bonanza remains hugely popular around the globe, so much so that it has spawned several clones that now reach over 20 in total. Played over a 6x5 reel matrix, this title falls into the scatter pays slots category and awards a cash prize when 8 or more matching symbols appear anywhere in view. Along with its healthy RTP of 96.51%, Sweet Bonanza boasts stacked symbols, a top win of 21,100x the stake and huge multiplier symbols that can be applied to your winnings during the free spins round.

Playing the game normally to trigger the bonus round will require at least 4 lollipop scatter symbols to land in view, but if you want to take a shortcut and get straight into the thick of the action, you can pay a very reasonable 50x bet, and you'll instantly be welcomed into candy heaven.


#6 sugar rush (pragmatic play)

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Vital Stats: RTP 96.50% | Bonus Cost 100x | Max Win 5,000x | Review & Demo

They must really like the sweet stuff over at Pragmatic Play headquarters, as their cluster pays game, Sugar Rush, has also proved to be a hugely successful release. Sugar Rush is a slot game that is set across a 7x7 reel format, and a winning combination is formed when 5 or more matching symbols land adjacent to each other. With a jackpot of 5,000x bet and an RTP of 96.50%, Sugar Rush also has a highly entertaining in-game mechanic where overlay multipliers can reach up to a staggering 128x and then be applied to your winning combination.

You'll need at least 3 scatter symbols to hit for the bonus round to be triggered. However, if you don't want to wait around for that to happen, you can gain instant gratification by parting with 100 times the bet to buy the buy and watch the scatters roll in on the very next spin.


#7 Razor returns (push gaming)

Razor Returns slot

Vital Stats: RTP 96.55% | Bonus Cost 106x, 186x, 500x, 550x | Max Win 100,000x | Review & Demo

The highly anticipated release of Push Gaming's Razor Returns brought with it 40 fixed paylines, a high RTP of 96.55%, and a monster jaws-like jackpot of 100,000x bet. The classic free spins feature remains but with a slight twist where big multipliers can now be active from the start, and the addition of the Razor Reveal feature, where the screen is filled with coins for potential wins, multipliers and modifiers to land and come into play.

Both of the bonus features can be triggered with a click of a button, with the free spins being offered in three tiers with no starting multiplier (106x), one of 5x (186x) or one of 25x (550x),  although these can be gambled up to a max of 100x. Those who want to play the Razor Reveal feature instantly can part with 500x the bet for as green full of coins to roll in on the very next press.


#8 dead or alive 2 (netEnt)

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Vital Stats: RTP 96.80% | Bonus Cost 60x | Max Win 111,111x | Review & Demo

NetEnt's original Dead or Alive produced some of the biggest hits ever seen online on the earlier days of online slot machines, so the release of their title Dead or Alive 2 and its big win jackpot of 111,111x bet produced mass hysteria amongst online players. DOA2 features its trademark 9 paylines, just like the original, along with some well know pay symbols and famous main character wild symbol outlaws in the bonus rounds. Speaking of which, unlike its predecessor, which had just one free spins feature, its sequel boasts three bonus features, with players having the option to choose from low, medium and high volatility. 

Playing those bonus games will require a minimum of 3 scatter symbols to land in view. If you've got a thirst on though, and want to get straight into the saloon in search of a famous wild line, you can trigger them instantly with the buy option at the cost of 60x bet.


#9 wanted dead or a wild (hacksaw gaming)

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Vital Stats: RTP 96.27% | Bonus Cost 80x, 200x, 400x | Max Win 12,500x | Review & Demo

As you may have guessed, Dead or a wild from Hacksaw Gaming falls into the Western-themed slots category. It is set over a reel formation of 5x5 with a total of 15 fixed paylines, an RTP of 96.27% and a maximum prize of 12,500x the bet. You've got three bonus rounds that can be triggered during normal play, all of which are highly volatile but have massive potential of paying you a healthy return.

Through the buy feature option on this Hacksaw Gaming title, you can play the Great Train Robber feature for 80x the bet, the Duel at Dawn feature for 200x bet, and last but not least, the Dead Man's Hand feature at 400x the bet, all of which are extremely exciting bonus games.


#10 fat santa (push gaming)

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Vital Stats: RTP 96.45% | Bonus Cost 100x | Max Win 20,000x | Review & Demo

If you're hoping for festive delight this Christmas, Fat Santa will be an online slot you'll want to check out. Along with a wonderful theme beautifully executed by Push Gaming, players can enjoy 5-reels of action played out over 50 fixed paylines where wins of up to 20,000x bet can be achieved.

As well as a random modifier that can trigger on any spin, leaving a path of wilds behind it, Fat Santa comes with an exciting free spins bonus that is triggered whenever Santa and a pie land on the reels simultaneously. During this feature, the more pies you collect, the bigger Santa will become, potentially filling the entire reels, which guarantees you some huge festive wins.


bonus buy slots origin

Having the option to purchase the feature when playing online slots is now commonplace, but it was a very different story in 2017 when the concept was given a makeover and introduced into Big Time Gaming's release White Rabbit Megaways. This particular version of a bonus buy slot came in two parts. The first of these was BTG's trademarked unique Feature Drop, where special coins could be collected during the base game, which would reduce the amount needed to purchase the feature and would trigger the bonus round instantly if it reached zero.

The second part is what we are all very familiar with in most new slots released in the current climate of online gaming. You could simply choose to trigger the bonus feature at a price of 100x the bet. So, if you were inclined to do so and had the bankroll to back you up, you could trigger bonus round after bonus round without ever spinning the reels in the base game.


how do bonus buy slots work?

Slots where you can buy the bonus, for the most part, precisely the same as any other game. They can have bonus rounds, modifiers, free spins features, and a variety of themes that appeal to all players. So, how exactly do they work?

Well, I'm pleased to report that it couldn't be easier. Any slots with a feature buy will have a button positioned near the reels (usually to the left) displaying the price to initiate the bonus feature. In the case of providers like Pragmatic Play, this will be one button typically showing the value of 100x your current stake. In contrast, other developers like Nolimit City provide a tiered buy menu where different entry levels into the bonus round are offered.

Bonus Buy Menu on the San Quentin SlotBonus Buy Menu on the San Quentin Slot

feature buy Vs Natural trigger, what's best?

This is a highly debated topic amongst many players, and it would seem that opinion is split. Yes, we do see max wins coming from a bonus buy, but from our extensive testing of the slots we review, it is easy to go 10 or 20 buys on these slots without ever seeing a profit. Obviously, this is just a small sample size, but it is a pattern we see repeatedly.

We are all entitled to express our views on this matter, but overall, from our own experiences testing and playing feature slots for real money, a natural feature trigger plays better than one that has been bought. Unfortunately, though, in some instances, providers develop certain slots where the highest possible bonus features can only be achieved through buying them.


feature buy slots with gambling options

Whether you agree with the concept or not, gambling the volatility of your bonus has also become a significant factor in the when playing any of the titles in this series of games. The downside to gambling bonuses is that if you lose one of the initial gambles, the feature can potentially end there without you having a single spin of the reels and losing all your stake money.

As many slots with a buy feature continue to be developed by providers, we have started to see various adaptations to the feature gamble and the possibility of not only gambling your free spins but the chance to increase your starting multiplier as well. This takes the chance of altering the bonus round volatility to a whole new level, and if Lady Luck is shining down on you, it's possible to potentially stack the chips in your favour to a point in the gamble where a considerable amount of extra free spins are awarded, a higher multiplier can be taken, or in the ideal scenario like the gamble wheel of Vikings Unleashed, both free spins and multipliers are maxed out to begin the feature with.

Gambling the bonus on Vikings Unleashed Megaways Reloaded Gambling the bonus on Vikings Unleashed Megaways Reloaded

bonus buy slots uk

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October 2019 saw the UK Gambling Commission request online casinos to remove the ability for UK players to buy a bonus feature on any slots. The bonus buy option has long been debated as to whether it encourages irresponsible gambling, and the regulator for the UK finally decided to call time on the controversial feature.


evolution of bonus buy slots

What may have started as just a few slots offering punters a direct route to the bonus round has now become one of the biggest niches for those looking to play online slots. In fact, it's now more of a surprise to us when we cover any new slots if they don't include the option to purchase the bonus feature, which shows you how far this genre of slots has come. 

Timeline of the bonus buy slot Game

  • 2017: Big Time Gaming releases its first buy feature bonus online slot machine, White Rabbit, at a price of 100x bet to trigger the free spins.
  • 2019: The Gambling Commission bans the buy feature for UK players.
  • 2021: Nolimit City's San Quentin includes a buy option costing 2,000x bet.
  • 2022: More than 300 games now offer the option of buying bonus rounds.
  • 2023: Blueprint Gaming adds the Build a Bonus feature into Buffalo Rising Megaways with a max buy of 7,378x bet.

do bonus buys count towards wagering?

If you accept a deposit bonus at any slot site, it will likely have rules and restrictions on a certain amount you are allowed to bet per spin, meaning it is unlikely you'll be able to use games where you can buy the bonus to count towards any wagering. That being said, it is always worth checking with the support team at the casino you are playing at, especially if you are a higher roller, as exceptions are often made on bonus funds or a deposit bonus for those who play with a bigger bankroll, possible allowing you to utilise a feature buy slot game against your wagering.


is buying a bonus risky?

All online gambling, of course, comes with an element of risk, but many slots where bonus games can be bought are certainly categorised as higher risk due to the fact you can lose more money than normal in such a short space of time. We recommend you extensively try our demo slots section dedicated to bonus buy feature slots so you can see how each title behaves, what the pitfalls are, and make yourself fully aware of how quickly you can burn through your bankroll if you hit a bad run of luck as you continue to buy the bonus.


are bonus buy slots better value?

It's hard to argue a case where you could definitively say that buying bonuses for a certain amount is better value than just spinning the reels of any online slots normally. It would be much fairer to say that combining a mixture of the two will bring higher levels of entertainment to your session. However, it's important to remember that you should only really consider buying a bonus if the size of your bankroll is at least double the price of the feature buy. This way, you will not potentially deplete your bankroll in just one round and can still enjoy normal gameplay and give yourself another chance further down the line to buy more bonuses if you can increase the size of your balance.


final thoughts

These styles of slot games are here to stay as a form of online gambling, well, for now, at least. So, if you are playing from a jurisdiction where buying bonuses are active, your overall play can be enhanced if you use this tool correctly. The danger of buying bonuses on online slots multiple times is that players could get carried away and spend more than they would like, as well as hitting heavy losses. However, if you have deposit limits in place and play responsibly, then there is no reason why you can't activate a few bonus features during one of your playing sessions.


Author Bio


Article by Nigel Hall

23 years Gambling Industry Experience

About Nigel Hall >