Bonus Buy Slots UK – Online Slots with Bonus Buy Feature

Bonus Buy Slots have become more of the most talked about and popular features of online slot games and casinos in general. This feature allows players to gain direct access to the bonus round of a slot game for a fixed price. Since bonus features usually deliver the biggest payouts, this is why it has become so popular for online players, who can get onto the quick action!

Within bonus rounds, players encounter the enhanced part of the slot, with wild symbols, multipliers, expanding reels, re-spins and essentially all the high impact features that are on offer. This guide will cover all things bonus buy slots and explain how they work and where UK players are able to find them.

Understanding Bonus Buy Slots

Bonus Buy Slots, also known as Feature slots or buy the bonus games are a category of slots, where players are able to pay directly for bonus access, instead of trying to trigger this through the standard area of the slot game.

Traditional bonus rounds are usually difficult to come by and even more so in those high volatility slots. The bonus buy slot feature removes this and gives players that instant entry into the feature. This format is very popular for players looking for that fast paced and exciting gameplay.

These slots are widely enjoyed around the world and continue to be incredibly popular amongst UK players, despite them being banned at UKGC licensed casinos. This ban was put in place in order to combat problem gambling, as they believe giving players the option to buy onto features was a key factor around problem gambling.

Top 3 Bonus Buy Casinos

Bonus buy slots are now widely accessible across many of the top casinos accepting UK players.

Harry Casino

Harry casino currently stands as one of the leading online casinos accepting UK players that offers bonus buy slot games. They have a vast selection of options to choose from and continue to add exciting bonus buy feature games each week.

Spin Shark Casino

Spin Shark casino also stands as one of the leading options for UK players looking to access bonus buy slot games. They have one of the largest and diverse slot libraries and this is why they continue to be so popular across the online casino market.

QBet Casino

QBet casino has been a long standing force across the UK online casino market. They have a large casino resource, that includes a vast selection of bonus buy slot games for players to choose from, that includes some exciting and exclusive options.

The Early Period and Rise of Bonus Buy Slots

Slots that incorporated bonus buy features really took off in the 2017-2018 period across the key European markets like the UK. The demand for these slot games grew rapidly with more and more players looking for the instant bonus access, rather than trying to do so through the extended base area of a slot game.

The streaming culture like we see through Kick and other platforms, certainly pushed this forward, with players showcasing these exciting bonuses and features and players wanted to personally get this same experience and opportunity.

Several of the key slot developers also played a key role in shaping the bonus buy landscape on a whole.

Big Time Gaming (BTG)

Recognised for pioneering Megaways mechanics, BTG helped establish high-volatility design principles.

Notable releases include:

• Extra Chilli Megaways – One of the earliest titles offering direct free-spin purchases.
• White Rabbit Megaways – Introduced feature enhancement mechanics tied to bonus progression.

Push Gaming

Push Gaming helped normalise Bonus Buy functionality across European and UK facing casinos.

Examples:

• Jammin’ Jars 2 – Expanded upon the original’s success with a buy-feature option.
• Razor Shark – Popularised instant free-spin entry mechanics.

NoLimit City

Known for bold themes and extreme volatility, NoLimit City elevated Bonus Buys with layered options.

Key contributions:

• Multiple purchase tiers
• Premium “super bonus” features

Popular titles:

• San Quentin xWays
• Deadwood
• Tombstone RIP

Pragmatic Play

Pragmatic Play brought Bonus Buy mechanics into the mainstream.

Well known titles:

• Sweet Bonanza
• Gates of Olympus
• Sugar Rush

Their Bonus Buy prices often range between 50x and 200x stake, making them accessible across player budgets.

Why are Players Choosing Bonus Buy Slots

Bonus buy slots are the popular choice amongst many online players as they offer several advantages. These being:

• Immediate bonus access
• Faster exposure to high paying rounds
• Greater control over volatility and risk

While these features increase variance, they also unlock a slot’s most lucrative mechanics.

What is the Cost for using Bonus Buy Features?

The price of purchasing a bonus varies on the specific game and the volatility it has in place. These are usually put across three different categories and price ranges:

• Low-cost buys (20x–75x stake)
  Usually grant entry into simpler, lower-variance bonus rounds.
• Standard buys (100x stake)
  The most common option, offering balanced risk and reward.
• Premium buys (150x–500x+ stake)
  Deliver enhanced mechanics, higher volatility, and larger potential payouts.

Some games include multiple buy tiers, allowing players to tailor their experience.

What are the Different Variable Bonus Buy Systems?

Certain slots offer several purchase options tied to different bonus configurations.

For example, Money Train-style mechanics may include:

• Single spin entry bonuses
• Multi spin features
• Persistent symbol modes

This flexibility is a major driver of popularity and having these different bonus buy systems is why they continue to remain so popular across the UK and the rest of the world.

Most Popular Bonus Buy Slots for UK Players

Here are the most popular current bonus buy slot games for UK players:

• Money Train 2
• Wanted Dead or a Wild
• Sugar Rush
• Gates of Olympus
• Chaos Crew

Key Factors When Choosing the Best Bonus Buy Slot Game

There are a lot of things to consider when looking to select a bonus buy slot game in order to ensure it is the best for you. These include:

• Budget & Risk Profile – Lower bankrolls benefit from cheaper buy-in options.
• Bonus Pricing – Compare feature costs relative to potential payouts.
• RTP & Maximum Win – Higher RTP percentages improve long-term expectations.
• Feature Mechanics – Understand what the purchased bonus actually provides.
• Casino Reputation – Always play on trusted, licensed platforms.

Peter Green Away tip: Testing demo modes before wagering real funds is highly recommended.

Safer Gambling at Bonus Buy Slot Casinos

When looking to access these non uk casinos and they are working away from traditional UKGC regulation. That means that they will not the same safer gambling measures in place. That is why if accessing from the UK and you can still get the support and it is important always use these if required and of course gamble responsibly.

Safer gambling is about staying in control, understanding risk, and treating casino play as entertainment rather than a source of income. Key resources include:

• BeGambleAware
• GamCare
• Gamstop

Practical Safer Gambling Tips

Set Clear Spending Limits
Decide your budget before playing and stick to it. Never chase losses or increase stakes impulsively.

Use Deposit & Loss Limits
Most licensed casinos provide tools that allow players to restrict deposits, wagers, or losses over daily, weekly, or monthly periods.

Take Regular Breaks
Bonus Buy features can accelerate gameplay. Breaks help maintain perspective and prevent emotional decision-making.

Avoid Gambling Under Stress
Emotions such as frustration, boredom, or anxiety often lead to poor choices.

Understand Volatility
Bonus Buy slots can be extremely high variance. Large swings are normal, not unusual.