Bonus Buy Slots are a popular feature of online slot games, that let’s players unlock the main feature round of the game instantly by paying a fixed fee. This means instead of waiting for the scatter or bonus symbols to appear through the base level of the game and you can simply jump straight into the part of the slot game that everyone wants, with the biggest wins, multipliers, free spins and more!
This guide will cover all things bonus buy slots and how they work, what they actually cost and why so many players are now looking to access them. This will also include our exclusive list of the top current casinos offering bonus buy slots for UK players.
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Top Bonus Buy Slots Featured Casinos
SpinHub Casino – Welcome Offer: 100% up to £500 + 20% Cashback
- Three deposit offers plus an extra bonus on each deposit
- 11,000+ slots and live tables
- Games from leading global studios
- Daily jackpot promotions
- Full slot features with flexible betting
Site Score: 10/10
Win Beast Casino – Welcome Offer: 100% up to £1,000 + 100 Free Spins
- Strong range of newer feature-buy slots
- 10,000+ high RTP games
- Live casino for high-stakes players
- Loyalty rewards and regular free spins
- Supports Apple Pay and other modern banking methods
Site Score: 9.5/10
Vegas Hero Casino – Welcome Offer: 100% up to £500 + 200 Free Spins
- New operator with modern slot selection
- Exclusive titles and bonus buy games
- Weekly cashback offers
- Broad deposit support
- Fast withdrawal processing
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Royalen Casino – Welcome Offer: 200% up to £2,000 + 200 Free Spins
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- Monthly cash rewards
- 11,000+ games across slots and live casino
- Bonus buy slots and daily jackpots
- Large banking selection
Site Score: 9.5/10
Odin Fortune Casino – Welcome Offer: 150% up to £1,000 + 100 Free Spins
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- Weekly reload bonuses
- 2,500+ feature-buy slots
- Games with strong feature-hit potential
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Booming Slots Casino – Welcome Offer: 600% up to £3,500 + 250 Free Spins
- 10,000+ slots, bonus buys, and live games
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Britsino Casino – Welcome Offer: 320% up to £2,200 + 800 Free Spins
- New casino with a wide game selection
- 10,000+ slots, mini games, and live tables
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Table Of Contents
- What are bonus buy slots?
- How much do buy feature slots cost?
- Casinos known for bonus buy slots
- Do bonus buys change RTP?
- How to pick the right buy feature slot
- Popular bonus buy games
- New bonus buy releases
- Types of buy feature options
- Why bonus buys are restricted on UKGC sites
- How UK players access them
- Frequently asked questions
What Are Bonus Buy Slots?
Bonus buy slots are games that include the option to buy directly onto the feature. This allows players to pay a fixed amount and activate the main feature immediately. That usually means free spins, upgraded bonuses, enhanced symbol setup or simply a premium version of the standard format of the slot game.
They are especially popular, as they are removing the waiting time that is usually involved in order to trigger the bonus naturally. These games can also be described as:
- Buy Feature slots
- Buy the Bonus slots
- Buy Free Spins slots
- Feature Buy slots
How Much Do Buy Feature Slots Cost?
The cost of purchasing a feature will depend on the specific slot game design and the max win potential of this. The usual price format is based around a multiplier of stake and can usually be put across a number of payment categories.
- Low Cost Buy Feature – 20x to 75x Stakes
- Standard Buy Feature – 100x Stakes
- Premium or Enhanced Buy Feature – 150x to 500x Stakes
- Multi-tier Buy Menus
Casinos Known For Bonus Buy Slots
When looking for bonus buy slots and these are found at non uk casinos, with UKGC brands now being banned from offering these types of slots. These international casinos also stand out, as they offer many stand out features. These include:
- Large slot libraries
- Multiple leading software providers
- Full slot mechanics
- Fast deposits and withdrawals
- Strong bonus offers
Among the latest brands offering bonus buy slots that we have reviewed includes the likes of Spin Hub Casino, Win Beast Casino, Britsino Casinos and Booming Slots Casino to name just a few!
Do Bonus Buys Change RTP?
RTP known as Return to player is a percentage showing how much a slot is expected to return over a lengthy period of time. The buy feature takes the player directly into the highest value area but some slots are configured so the RTP will be slightly different when using the bonus buy option. A working example of this:
- Base game RTP: around 94% to 97%
- Bonus buy RTP: sometimes 97% to 99%+
RTP is never a guarantee of results and is simply the mathematical average of the game over a length period of time.
How To Pick The Right Buy Feature Slot
It can be difficult when looking to pick the right bonus feature slot game but you can follow five simple steps in order to achieve the best fit for you. These being:
- Check Volatility
Volatility tells you how often a game pays and how big those wins tend to be.
- Low volatility: smaller but more frequent wins
- Medium volatility: a balance between frequency and size
- High volatility: rarer wins, but much larger upside
- Review RTP
A stronger RTP can improve long-term value. If two similar games appeal to you, RTP can be a useful tie-breaker.
- Understand feature pricing
Not every 100x buy is equal. Some features are more rewarding than others, so read the paytable and feature description before buying.
- Choose mechanics you enjoy
Some players prefer sticky wilds, others like multipliers, tumbling wins, or persistent symbols. Pick games that match the style of bonus round you actually like playing.
- Try demo mode first
Demo play is one of the best ways to understand how a buy-feature slot behaves before spending real money.
Popular Bonus Buy Games
Here is the current top list of the most popular bonus buy games that are currently available for UK players:
- Le Bandit
A cluster-pays slot with mystery symbols, cascading wins, and several buy tiers.

- Money Train 4
Known for extreme volatility, layered bonus systems, and very high max-win potential.

- Sugar Rush 1000
A colourful cluster-pays game with sticky multipliers and purchasable free spins.

- Wanted: Dead or a Wild
A Wild West title with multiple bonus rounds and a strong following among high-volatility players.

- Big Bass Bonanza
A fishing-themed slot with a buy feature and upgraded series mechanics.

- Gates of Olympus
A modern sequel featuring large multipliers, tumbling wins, and a well-known 100x feature buy.

New Bonus Buy Releases
Feature buy slots continue to evolve, as new releases are hitting the market each and every week from all the leading developers around the world. Examples of the most popular recent slot game releases offering the bonus buy feature include:
- Big Bass: Reel Repeat
- Argonauts
- Bullets & Bounty
- Zombie School Megaways
- Jack Hammer 4: Chasing the Dragon
Types Of Buy Feature Options
There are six different types of Buy feature options that players can choose from. These are:
- Standard Bonus Buy
The classic version. Pay a fixed amount to enter the regular free spins or main bonus round.
- Super Bonus Buy
A more expensive option that usually offers better starting conditions, higher volatility, or enhanced bonus mechanics.
- Mystery Bonus Buy
A randomised feature buy where the player pays once and receives one of several possible bonus types.
- Tiered Bonus Menu
Several different feature options are available at different prices.
- xBet / Ante Feature
Instead of buying the feature directly, the player increases the stake to improve the odds of landing the bonus naturally.
- Special / unique buy mechanics
Some slots include custom options such as persistent symbols, split grids, or multi-stage upgrades.
Why Bonus Buys Are Restricted On UKGC Sites
The option to access bonus buy slots was removed by the UKGC, as they considered it a high risk feature and one that was impacting problem gamblers. The main concern was the it was providing instant access to the most volatile bonus rounds and therefore encourages much faster losses and very impulsive gambling.
This means that if players are trying to access bonus buy slots at UKGC licensed casinos and this will now no longer be possible and UK players will now need to look overseas for international online casinos in order to play them.
How UK Players Access Them
This is now a very common question amongst UK online casino players who are looking to access bonus buy slot games. They will now typically need to access internationally licensed casinos that are operating outside of the UKGC in order to do so. It is important to look for licensed casinos under regulated authorities such as:
- Curaçao eGaming
- Malta Gaming Authority
- Gibraltar
- Other international licensing bodies
By ensuring they are operating under a reputable licensing body and players can ensure safety when playing at new casinos online.
Frequently Asked Questions: Bonus Buy Slots
What is a bonus buy slot?
A slot that lets you pay to enter the bonus round instantly.
How much does it cost?
Usually anywhere from 20x to 500x your current stake, depending on the game.
What kinds of bonus buys exist?
Standard buys, super buys, mystery buys, multi-tier menus, xBet features, and game-specific custom bonus systems.
Why do players like them?
Because they remove the wait, create faster sessions, and give direct access to the feature where the biggest payouts often happen.
Can UK players use them?
Not on UKGC-regulated casinos, but they are available on many internationally licensed platforms.
Do bonus buys increase RTP?
In some games, yes, but only as a theoretical long-term rate rather than a short-term promise.
